Why Are Stainless Steel Screws Magnetic? 304 vs 316

Why Are Stainless Steel Screws Magnetic? Understanding 304, 316, 410 and 430 Stainless Steel Fasteners

Stainless steel screws are widely used in industrial manufacturing because they offer a useful combination of corrosion resistance, mechanical performance, durability and clean appearance.

However, engineers and purchasing professionals frequently encounter a surprising situation: a screw specified as 304 or 316 stainless steel is attracted to a magnet.

Does this mean the screw is made from the wrong material?

Not necessarily.

Stainless steel is not always non-magnetic. Its magnetic behavior depends primarily on the alloy's metallurgical structure, chemical composition and manufacturing history.

Even stainless steel grades commonly described as non-magnetic can develop measurable magnetic properties after cold forming.

For OEM manufacturers, understanding these differences is important because magnetic behavior alone cannot establish material authenticity, corrosion resistance or mechanical strength.

A design engineer may need a stainless steel screw with low magnetic permeability for an instrument assembly. 

A manufacturing engineer may need to understand why a cold-headed screw is more magnetic than the original wire. 

A purchasing manager may need to determine whether a supplier has delivered the correct stainless steel grade.

These are different technical questions and require different verification methods.

This guide explains the magnetic properties of stainless steel screws, compares common grades, 

examines manufacturing effects and provides practical guidance for material verification, engineering selection and OEM sourcing.

Juxin Fasteners supplies industrial stainless steel fasteners and supports inquiries for standard and drawing-based fastening components.

Why Are Some Stainless Steel Screws Magnetic?

Stainless steel is an iron-based alloy containing sufficient chromium to develop corrosion-resistant characteristics under suitable conditions.

The presence of iron alone does not determine whether a stainless steel screw will strongly attract a magnet.

The key factor is the material's microstructure.

Different stainless steel families contain different crystal structures, which influence their magnetic behavior.

The most relevant categories for industrial fastener selection are:

• Austenitic stainless steel

• Martensitic stainless steel

• Ferritic stainless steel

Some specialized stainless steel grades may contain mixed microstructures or exhibit other magnetic characteristics.

The Engineering Principle

Magnetism is a material property, but it is not a complete material identification method.

A stainless steel screw can be magnetic and still meet its specified grade.

Conversely, a screw that shows little magnetic attraction is not automatically confirmed as 304 or 316 stainless steel.

Austenitic Stainless Steel Screws: Why 304 and 316 May Become Magnetic

Austenitic stainless steels are widely used for corrosion-resistant machine screws, bolts, nuts and other industrial fasteners.

Common commercial and standardized designations include:

• 304 stainless steel

• 316 stainless steel

• 18-8 stainless steel

• A2 stainless steel fastener groups

• A4 stainless steel fastener groups

These terms are related but should not be treated as universally interchangeable specifications.

Austenitic stainless steel in a suitable solution-annealed condition generally exhibits low magnetic permeability.

However, its magnetic behavior can change during manufacturing.

Cold Working and Strain-Induced Martensite

Certain austenitic stainless steels are metastable.

When they undergo plastic deformation, some austenite may transform into strain-induced martensite.

This transformation can increase magnetic attraction.

Manufacturing operations that may contribute include:

• Cold heading

• Thread rolling

• Cold drawing

• Bending

• Other plastic forming operations

The amount of transformation depends on alloy composition, deformation conditions and processing history.

Why a Finished Screw May Be More Magnetic Than the Original Wire

Consider a stainless steel wire used to manufacture a cold-headed screw.

Before forming, the wire may exhibit relatively low magnetic attraction.

During cold heading, the screw head is formed through substantial localized plastic deformation.

Thread rolling also plastically deforms the material near the thread surface.

Consequently, the finished screw may show different magnetic behavior from the original wire.

The head, shank and threaded region may not exhibit identical magnetic characteristics.

Important Manufacturing Distinction

Cold working can increase magnetic attraction without necessarily changing the nominal chemical composition.

However, the resulting magnetic response cannot, by itself, establish that the finished screw meets every mechanical or corrosion requirement.

Does Cold Working Reduce Corrosion Resistance?

It would be incorrect to claim that cold-working-induced magnetism never affects corrosion behavior.

Cold deformation can alter microstructure, residual stresses and surface condition.

The actual corrosion performance depends on the alloy, deformation history, environment and manufacturing quality.

Therefore, a weakly magnetic 304 screw is not automatically defective, but its suitability must still be evaluated against the required specification.

304 Stainless Steel Screws: Are They Magnetic?

304 is an austenitic chromium-nickel stainless steel commonly used in industrial fasteners.

In an appropriate annealed condition, it normally exhibits low magnetic attraction.

After significant cold working, it may become noticeably magnetic.

Typical Products

• Stainless steel Phillips screws

• Stainless steel socket head screws

• Stainless steel machine screws

• Stainless steel SEMS screws

• Stainless steel nuts and threaded components

Common Industrial Applications

• Electrical enclosures

• Commercial kitchen equipment

• Industrial machinery

• Instrument housings

• Electronic equipment

• General-purpose mechanical assemblies

Engineering Considerations

304 stainless steel is commonly selected for general corrosion resistance and manufacturing suitability.

However, material selection should account for:

• Moisture exposure

• Chlorides

• Cleaning chemicals

• Temperature

• Mechanical loading

• Thread galling

• Required magnetic properties

Important Procurement Note

A magnet attracting a 304 stainless steel screw is not sufficient evidence that the product is counterfeit.

If material identity is in question, use appropriate material verification rather than rejecting the part based solely on magnet attraction.

316 Stainless Steel Screws: Are They Non-Magnetic?

316 stainless steel is also an austenitic stainless steel.

It contains molybdenum, which generally improves resistance to certain forms of localized corrosion compared with 304.

In a suitable annealed condition, 316 normally exhibits low magnetic permeability.

Its austenitic structure is generally more stable against strain-induced martensitic transformation than that of conventional 304 under comparable conditions.

Nevertheless, 316 stainless steel should not be described as absolutely non-magnetic under all processing conditions.

Why a 316 Screw May Show Magnetic Attraction

Possible contributing factors include:

• Manufacturing deformation

• Microstructural variations

• Processing history

• Localized changes associated with manufacturing

Typical Products

• 316 stainless steel socket head screws

• 316 stainless steel button head screws

• 316 stainless steel machine screws

• Custom corrosion-resistant threaded components

Potential Applications

• Marine-related equipment

• Coastal machinery

• Chemical-processing equipment

• Pharmaceutical equipment

• Industrial instrumentation

• Outdoor equipment enclosures

Important Limitation

316 stainless steel is not immune to chloride-induced pitting or crevice corrosion.

Low magnetic attraction does not guarantee corrosion resistance.

18-8 Stainless Steel vs. 304 Stainless Steel

18-8 is a broad commercial designation associated with stainless steels containing approximately 18% chromium and 8% nickel.

It is often used in fastener catalogs.

However, the designation does not establish every chemical, mechanical or dimensional requirement of a finished screw.

Why This Matters for Purchasing

An RFQ stating only “18-8 stainless steel screw” may leave important questions unanswered.

Depending on the project, buyers should also specify:

• Applicable material standard

• Product standard

• Mechanical-property requirements

• Thread specification

• Surface treatment

• Inspection criteria

A2 and A4 Stainless Steel Fasteners

A2 and A4 are stainless steel fastener material groups used in relevant ISO standards.

They should not be treated as complete substitutes for every commercial 304 or 316 material designation.

For example, an A2-70 fastener includes a specified material group and mechanical-property class.

The actual applicable standard and requirements must be verified.

410 Stainless Steel Screws: Why They Are Magnetic

410 stainless steel belongs to the martensitic stainless steel family.

Martensitic stainless steels are generally magnetic.

Unlike conventional austenitic 304 and 316, 410 can be hardened through suitable heat treatment.

General Characteristics

• Magnetic behavior

• Heat-treatment capability

• Potential for relatively high hardness

• Useful wear resistance in suitable conditions

• Corrosion resistance dependent on material condition and environment

Typical Applications

Certain 410 stainless steel screw designs may be used in:

• Concrete fastening systems

• Masonry fastening products

• Selected self-drilling or hardened screw applications

• Industrial mechanical components

The actual suitability depends on the product design and specified mechanical properties.

410 Stainless Steel Concrete Screws

Some concrete screw designs use hardened 410 stainless steel because the fastening mechanism requires particular mechanical characteristics.

However, a concrete screw's anchoring performance cannot be established from material grade or magnetic behavior alone.

Engineers must evaluate the complete anchoring product, base material, installation conditions and applicable approval requirements.

Corrosion Considerations

410 generally offers different corrosion behavior from 304 and 316.

It should not automatically replace austenitic stainless steel in aggressive chloride environments.

Engineering Insight

A strongly magnetic 410 screw may be entirely appropriate for its intended mechanical function.

Magnetic attraction does not establish poor quality.

420 Stainless Steel and Other Martensitic Grades

420 stainless steel is another martensitic stainless steel family.

It may be selected for applications requiring suitable hardness and wear-related characteristics.

However, the suitability of a particular 420 grade depends on its exact composition, heat-treatment condition and product requirements.

It should not be assumed equivalent to 410 or to austenitic stainless steel.

430 Stainless Steel Fasteners: Ferritic and Magnetic

430 stainless steel is a ferritic stainless steel.

Ferritic stainless steels are generally magnetic because of their crystal structure.

General Characteristics

• Magnetic behavior

• Chromium-containing stainless steel composition

• Different corrosion characteristics from 304 and 316

• Different mechanical and forming behavior from austenitic grades

Potential Applications

Depending on product requirements, 430 stainless steel may be considered for:

• Appliance components

• Decorative hardware

• General industrial components

• Selected noncritical fastening applications

Important Limitation

430 should not automatically replace 304 or 316 in applications requiring their specific corrosion or mechanical performance.

Stainless Steel Magnetic Properties Comparison

Key Conclusion

Magnetic attraction is not a reliable ranking of stainless steel quality.

The correct grade depends on the intended mechanical, environmental and functional requirements.

Does Magnetic Stainless Steel Mean the Material Is Fake?

No.

A magnet test can provide a preliminary observation, but it cannot reliably identify a specific stainless steel grade.

Why Magnet Testing Is Limited

Different stainless steel grades may show overlapping magnetic behavior.

Cold working can change magnetic response.

Part geometry can influence the apparent attraction observed during a simple manual test.

Surface condition and testing method can also affect the observation.

Examples

A cold-headed 304 screw may attract a magnet.

A suitably annealed 316 component may show very little attraction.

A 410 screw may be strongly magnetic.

These observations alone do not prove or disprove material conformity.

Engineering Recommendation

Use a magnet test only as a screening observation, not as final material acceptance evidence.

How to Verify Stainless Steel Screw Material

When material identity matters, a suitable verification plan should be established.

Material Documentation

Review the material specification and available supplier records.

Depending on the project, documentation may include material certificates and lot identification.

Positive Material Identification (PMI)

PMI methods may help verify alloy composition.

The selected technique must be appropriate for the required elements and acceptance criteria.

X-Ray Fluorescence (XRF)

XRF can be useful for identifying many alloying elements in stainless steel.

However, conventional handheld XRF does not reliably quantify certain light elements, particularly carbon.

This limitation matters when distinguishing grades whose specifications depend on carbon content.

Optical Emission Spectroscopy (OES)

Appropriate OES methods may be used when additional elemental analysis, including carbon determination, is required.

The method, sample preparation and testing conditions must be suitable.

Mechanical Testing

Chemical composition does not establish every mechanical property.

Where required, mechanical performance must be verified separately.

Magnetic Permeability Testing

When low magnetic permeability is a functional requirement, use a specified measurement method and acceptance limit.

A handheld magnet alone is not an adequate substitute.

Material Verification Matrix

Supplier Development Insight

A purchasing specification should define the evidence required for material acceptance.

It should not simply state that all stainless steel screws must be non-magnetic.

Why Cold Heading and Thread Rolling Matter

Cold forming is widely used in fastener manufacturing.

Cold Heading

Cold heading forms screw heads through plastic deformation.

For certain austenitic stainless steels, this deformation may change the local microstructure and magnetic response.

Thread Rolling

Thread rolling forms threads through deformation rather than conventional cutting.

The process may influence surface condition, residual stress and local magnetic behavior.

Machining

Machining can change the surface condition and may introduce deformation or residual stresses.

However, machining does not necessarily produce the same metallurgical effects as substantial cold forming.

Heat Treatment

Heat treatment affects different stainless steel families differently.

Martensitic stainless steels such as 410 can be hardened through suitable heat treatment.

Austenitic 304 and 316 do not respond to conventional hardening heat treatment in the same manner.

Manufacturing Engineer's Perspective

If magnetic properties are functionally important, they should be evaluated on the finished fastener rather than inferred only from the original raw material.

Why Finished-Part Testing Matters

A low-permeability wire does not automatically guarantee that a heavily cold-formed finished screw will satisfy the same permeability requirement.

The relevant acceptance point should be specified during product development.

When Non-Magnetic or Low-Magnetic-Permeability Screws Are Required

Some equipment may be sensitive to magnetic materials.

Potential applications include:

• Precision measurement instruments

• Selected sensor assemblies

• Scientific equipment

• Magnetic-field-sensitive electronics

• Specialized laboratory equipment

In these applications, the phrase “non-magnetic stainless steel” may be too vague.

Define the Functional Requirement

The engineering specification should identify:

• Maximum permitted magnetic permeability

• Applicable measurement method

• Measurement condition

• Finished-part acceptance requirements

• Relevant operating environment

Important Distinction

Low magnetic permeability is not the same as zero magnetic response.

Material Selection Considerations

Depending on the application, engineers may evaluate suitable austenitic stainless steels or other materials.

However, alternative materials must also satisfy mechanical, corrosion, dimensional and assembly requirements.

Critical OEM Design Insight

When magnetic performance is important, do not select a screw based solely on a catalog statement describing 304 or 316 as non-magnetic.

The finished component must meet the actual functional requirement.

Stainless Steel Screw Surface Treatment and Magnetism

Passivation is a chemical surface treatment intended primarily to remove free iron contamination and support the natural passive surface condition.

It is not a process intended to convert magnetic stainless steel into non-magnetic stainless steel.

What Passivation Can Do

Depending on the material and approved process, passivation can help:

• Remove free iron contamination

• Improve surface cleanliness

• Reduce contamination-related rust staining

• Support the natural passive film

What Passivation Cannot Do

Passivation does not automatically:

• Eliminate strain-induced martensite

• Remove bulk magnetic properties

• Change 410 into austenitic stainless steel

• Guarantee low magnetic permeability

• Increase tensile strength

• Prevent all corrosion

Relevant Standards

ASTM A967/A967M addresses chemical passivation treatments for stainless steel parts.

ASTM A380/A380M provides practices for cleaning, descaling, pickling and passivation.

These should be distinguished from fastener dimensional and mechanical-property standards.

Important Engineering Principle

Magnetic requirements and passivation requirements should be specified separately.

18-8 Stainless Steel Phillips Screws and Socket Head Screws

18-8 stainless steel screws are commonly used in general industrial assemblies.

Phillips Machine Screws

Potential applications include:

• Electrical equipment

• Instrument housings

• Appliance assemblies

• Communication equipment

• Commercial kitchen machinery

Socket Head Screws

Potential applications include:

• Industrial machinery

• Automation equipment

• Mechanical fixtures

• Precision assemblies

Engineering Considerations

When selecting these products, review:

• Head geometry

• Drive configuration

• Thread specification

• Material grade

• Mechanical requirements

• Corrosion environment

• Installation method

Magnetism Considerations

A cold-headed 18-8 screw may exhibit measurable magnetic attraction.

This alone does not establish that the wrong alloy was supplied.

Stainless Steel SEMS Screws

SEMS screws are preassembled screw-and-washer combinations.

They may be useful where washer handling and assembly efficiency are important.

Potential Benefits

Depending on the design:

• Reduced loose-part handling

• More consistent washer presence

• Simplified assembly operations

• Improved component management

Engineering Considerations

The washer material and screw material may have different magnetic characteristics.

A magnetic response from a SEMS assembly may originate from the screw, washer or both.

Important Inspection Insight

A magnet test on the assembled product does not necessarily identify which component is responsible for the magnetic response.

If material requirements apply separately to the screw and washer, each component should be evaluated accordingly.

316 Stainless Steel Screws for Corrosive Environments

316 stainless steel is often considered when the service environment involves chloride exposure or certain aggressive conditions.

Typical Products

• Socket head screws

• Button head screws

• Machine screws

• Custom threaded components

Engineering Considerations

• Chloride concentration

• Temperature

• Crevice geometry

• Chemical compatibility

• Thread galling

• Mechanical requirements

Important Limitation

316 is not universally suitable for every marine or chemical environment.

The complete application must be evaluated.

Magnetism vs. Corrosion Resistance

A low magnetic response does not prove that a screw has superior corrosion resistance.

Corrosion performance depends on the alloy, surface condition and operating environment.

Industrial Applications of Stainless Steel Screws

Automotive Manufacturing

Potential applications include:

• Interior assemblies

• Electronic module housings

• Sensor-related hardware

• Auxiliary brackets

• Production equipment

Engineering Priorities

• Vibration

• Moisture

• Road chemicals

• Material compatibility

• Assembly consistency

Magnetic properties may matter in selected sensor-related applications, but should not be assumed critical for every automotive fastener.

Food-Service Equipment

Potential applications include:

• Commercial ovens

• Fryers

• Beverage machines

• Food preparation equipment

• Kitchen machinery

Engineering Priorities

• Cleaning chemicals

• Moisture

• Temperature

• Hygienic design

• Corrosion resistance

304 and 316 stainless steel may be considered according to the actual operating conditions.

Magnetism alone does not determine food-equipment suitability.

Medical and Laboratory Equipment

Potential applications include:

• Laboratory instruments

• Diagnostic equipment housings

• Nonimplantable mechanical assemblies

• Specialized measurement equipment

Engineering Priorities

• Material identification

• Surface cleanliness

• Corrosion resistance

• Magnetic-field compatibility

• Product-specific qualification

Important Limitation

General industrial stainless steel screws should not be assumed suitable for implantable or other regulated medical applications without the necessary qualification.

Electronics and Electrical Enclosures

Potential applications include:

• Control cabinets

• Telecommunications equipment

• Industrial electronics

• Instrument housings

• Server-related mechanical assemblies

Engineering Priorities

• Tool access

• Corrosion environment

• Electrical clearance

• Mechanical performance

• Magnetic sensitivity where relevant

Industrial Machinery

Potential applications include:

• CNC equipment

• Automation systems

• Machine guards

• Mechanical fixtures

• Instrument assemblies

Engineering Priorities

• Thread engagement

• Mechanical strength

• Assembly reliability

• Corrosion resistance

• Maintenance

Marine-Related Equipment

Potential applications include:

• Marine electronics

• Instrument enclosures

• Auxiliary equipment

• Coastal machinery

Engineering Priorities

• Chloride exposure

• Crevice corrosion

• Galvanic compatibility

• Material selection

• Maintenance access

Construction Equipment

Certain hardened stainless steel screw designs may be used in suitable construction applications.

However, magnetic behavior does not establish anchoring strength or structural suitability.

The complete fastening system must meet the applicable design and approval requirements.

OEM Material Selection: Magnetic Behavior Is Only One Criterion

A stainless steel fastener should be selected according to the complete engineering requirement.

Corrosion Environment

Determine whether the fastener will encounter:

• Indoor humidity

• Outdoor exposure

• Chlorides

• Cleaning chemicals

• Process chemicals

• High temperatures

Mechanical Requirements

Evaluate:

• Tensile loading

• Shear loading

• Preload

• Thread engagement

• Joint geometry

• Vibration

Magnetic Requirements

Determine whether magnetic behavior is:

• Not functionally relevant

• A general preference

• A measurable acceptance requirement

Manufacturing Requirements

Review:

• Cold heading

• Thread rolling

• Machining

• Heat treatment

• Surface finishing

Assembly Requirements

Evaluate:

• Driver engagement

• Thread galling

• Tightening procedure

• Repeated assembly

• Mating material

Procurement Requirements

Confirm:

• Material grade

• Product standard

• Drawing

• Inspection

• Documentation

• MOQ

• Quantity

• Delivery requirements

Practical Selection Matrix

Common Procurement Mistakes When Evaluating Magnetic Stainless Steel Screws

Rejecting 304 Screws Because a Magnet Attracts Them

This may incorrectly reject conforming cold-worked material.

Assuming Non-Magnetic Means 316

Other materials may also exhibit low magnetic attraction.

Using Magnetism to Determine Corrosion Resistance

Magnetism does not provide a reliable corrosion-resistance ranking.

Ignoring Finished-Part Manufacturing Effects

A screw may exhibit different magnetic behavior after cold heading and thread rolling.

Confusing Material Grade with Mechanical Property Class

Chemical composition and mechanical properties are separate requirements.

Specifying “Non-Magnetic” Without an Acceptance Limit

This creates ambiguity between engineering, purchasing and quality-control teams.

Using PMI as a Complete Substitute for All Testing

Chemical analysis does not automatically establish mechanical strength, magnetic permeability or surface-treatment conformity.

Supplier Development Recommendation

Before approving a supplier substitution, define which properties must match the existing approved product.

A new screw may have the correct nominal material grade but differ in mechanical properties, dimensions or magnetic response.

Quality Control for Stainless Steel Screw Procurement

An OEM quality plan may include:

Material Verification

Confirm the specified alloy using appropriate records or testing.

Dimensional Inspection

Review:

• Thread diameter

• Thread pitch

• Length

• Head dimensions

• Drive geometry

• Thread fit

Mechanical Requirements

Verify applicable mechanical properties where required.

Magnetic Requirements

If relevant, measure magnetic permeability against the specified acceptance criteria.

Surface Condition

Inspect for contamination, corrosion or damage.

Functional Assembly

Evaluate installation behavior, including galling and tool engagement where applicable.

Lot Identification

Where required, maintain appropriate identification and inspection records.

Important Production Insight

A supplier quality plan should focus on properties that affect the customer's actual assembly and service conditions.

Testing every screw with a magnet does not replace a technically appropriate inspection plan.

Frequently Asked Questions

Why are stainless steel screws magnetic?

Their magnetic behavior depends on alloy composition, microstructure and manufacturing history. Some grades are naturally magnetic, while certain austenitic grades can become more magnetic after cold working.

Are 304 stainless steel screws magnetic?

They may show magnetic attraction after cold heading, thread rolling or other plastic deformation.

Are 316 stainless steel screws magnetic?

316 generally exhibits low magnetic permeability in a suitable annealed condition, but processing and microstructure can influence its magnetic response.

Is 18-8 stainless steel magnetic?

Its behavior depends on the actual alloy and manufacturing condition. Cold-worked 18-8 fasteners may show magnetic attraction.

Are A2 stainless steel screws non-magnetic?

Not necessarily. The actual alloy and finished-part processing condition determine magnetic behavior.

Are A4 stainless steel screws magnetic?

A4 fasteners generally use austenitic stainless steel materials, but magnetic properties depend on the specific grade and processing condition.

Is 410 stainless steel magnetic?

Yes. 410 is a martensitic stainless steel and is generally magnetic.

Is 430 stainless steel magnetic?

Yes. 430 is a ferritic stainless steel and is generally magnetic.

Does a magnetic stainless steel screw mean it is counterfeit?

No. Magnetism alone cannot establish material authenticity.

Can cold heading make stainless steel screws magnetic?

Yes. Cold forming may cause strain-induced martensitic transformation in certain austenitic stainless steels.

Does thread rolling affect magnetic properties?

It can, depending on the material and deformation conditions.

Does magnetism reduce corrosion resistance?

Magnetism alone does not establish corrosion performance. 

Cold working and associated microstructural changes may affect corrosion behavior, so suitability must be evaluated against the actual application.

Can passivation make stainless steel screws non-magnetic?

No. Chemical passivation is not intended to eliminate the bulk magnetic characteristics of stainless steel.

Can a magnet distinguish 304 from 316?

Not reliably.

What testing can identify stainless steel grade?

Appropriate material documentation and chemical analysis methods, such as suitable PMI, XRF or OES, may be used according to the required elements and acceptance criteria.

Does XRF verify stainless steel carbon content?

Conventional handheld XRF is not a reliable method for quantifying carbon. Other suitable analytical methods may be required.

How should low-magnetic-permeability screws be specified?

Define the permitted permeability, test method and finished-part acceptance conditions.

Are stainless steel SEMS screws magnetic?

The screw, washer or both may contribute to the magnetic response, depending on their materials and manufacturing conditions.

Can Juxin Fasteners supply custom stainless steel screws?

Juxin Fasteners supports inquiries for standard and drawing-based industrial fasteners. Specific materials, dimensions, magnetic requirements, inspection and production conditions are confirmed during project review.

Juxin Fasteners: Stainless Steel Screws and OEM Fastening Solutions

Juxin Fasteners supplies industrial fastening components for international OEM customers.

Relevant product families include:

• Stainless steel machine screws

• Stainless steel Phillips screws

• Stainless steel socket head screws

• Stainless steel button head screws

• Stainless steel SEMS screws

• Stainless steel nuts

• Stainless steel locking nuts

• Custom threaded components

• Drawing-based CNC-machined parts

For applications requiring specific stainless steel grades, material verification, corrosion resistance or low magnetic permeability, the requirements should be clearly identified in the customer's drawing and RFQ.

Product availability, material specifications, testing requirements, samples, MOQ and delivery schedules are confirmed for each inquiry.

Request an OEM Stainless Steel Screw Quotation

Are you sourcing 304, 316, 18-8 or another stainless steel fastener material for industrial production?

Do you need to investigate unexpected magnetism, verify a material grade, evaluate low-magnetic-permeability requirements or qualify an alternative fastener supplier?

Juxin Fasteners welcomes inquiries from design engineers, mechanical engineers, structural engineers, manufacturing engineers, production managers, 

procurement specialists, purchasing managers, supplier development teams and supply chain managers.

For technical review and quotation, please provide:

2D drawing or applicable standard + screw type + head and drive geometry + thread designation + length + stainless steel grade 

+ mechanical requirements + corrosion environment + magnetic permeability requirement (if applicable) + surface treatment 

+ inspection criteria + sample quantity + production quantity + packaging requirements + target delivery schedule.

If the project involves a material substitution or unexpected magnetic response, include the existing approved material specification and available inspection results.

Company: Juxin Fasteners

Website: https://www.juxinfasteners.com/

Email: info@juxinfasteners.com

Send your stainless steel screw drawings and OEM RFQ to Juxin Fasteners for technical review and quotation.