Sealing Blind Rivet Nuts for EV Battery Enclosures: Sealing, Retention & OEM Engineering Solutions

1. Executive Summary & EV Battery Enclosure Context

Electric vehicle battery packs, power electronics housings, thermal-management systems, 

and other automotive electronic enclosures frequently require threaded fastening points in thin sheet metal or formed aluminum structures.

Traditional tapped holes may not provide sufficient thread engagement in thin materials. Welding can introduce heat, distortion, coating damage, or access limitations. 

Sealing blind rivet nuts provide an alternative by creating an internally threaded attachment point from one accessible side of the enclosure.

Closed-end and sealing blind rivet nut configurations can also be considered when the enclosure design requires additional control of the blind-side opening or sealing around the fastener flange.

Typical applications include:

• EV battery enclosures

• Battery tray covers

• Automotive electronic housings

• Power-electronics enclosures

• Thermal-management assemblies

• Charging equipment

• Inverter housings

• Control modules

• Industrial electrical cabinets

• Outdoor electronic enclosures

The engineering objective is not simply to select a “waterproof rivet nut.”

The complete joint must be evaluated:

Rivet nut + sheet metal + flange/seal + mating screw + installation process + enclosure + validation test

JUXIN FASTENERS supports OEM and industrial fastening requirements with 20+ years of fastener experience, including rivet nuts, blind threaded inserts, 

self-clinching fasteners, custom screws and related mechanical components.

2. Why Blind Rivet Nuts Are Used in Thin-Sheet Enclosures

A blind rivet nut creates a threaded attachment point without requiring access to the rear side of the sheet.

This is particularly useful when the enclosure is:

• Closed

• Hollow

• Box-shaped

• Already assembled

• Difficult to access from the reverse side

During installation, the rivet nut is inserted through a prepared hole and set using an appropriate installation tool.

The body deforms on the blind side and forms a mechanical grip against the sheet.

The resulting assembly provides an internal thread for a mating screw.

3. Closed-End vs. Open-End Rivet Nuts

A closed-end rivet nut has a sealed or closed blind end rather than an open passage through the body.

This can be useful when the designer wants to limit direct passage through the fastener body.

However, closed-end construction should not automatically be interpreted as a complete fluid seal for the enclosure.

The final sealing performance can also depend on:

• Flange geometry

• Sheet surface

• Hole quality

• Seal material

• Screw interface

• Installation compression

• Enclosure design

4. What Is a Sealing Blind Rivet Nut?

A sealing blind rivet nut generally combines a threaded blind fastener with a sealing feature intended to reduce fluid or moisture migration through the installation interface.

Possible sealing concepts include:

• Elastomer sealing rings

• Sealing washers

• Flange-mounted seals

• Customer-specific sealing elements

• Closed-end body designs

The exact sealing mechanism should be defined by the product drawing.

A closed-end rivet nut and a flange-sealed rivet nut are related concepts but are not automatically identical.

5. Information Gain: Closed-End Does Not Automatically Mean Waterproof

This distinction is critical for EV battery enclosure engineering.

A closed-end rivet nut can prevent a direct open passage through the fastener body, but water ingress can still occur around the interface between:

• Rivet nut flange

• Sheet metal

• Seal

• Mating screw

• Enclosure panel

Therefore:

Closed end ≠ automatically waterproof

and:

Sealing rivet nut ≠ automatically IP67

An IP rating applies to the relevant enclosure or assembly after the prescribed test conditions are satisfied.

For road-vehicle electrical equipment, ISO 20653:2023 defines IP-code protection for enclosures and includes requirements and tests for protection against foreign objects and water.

6. IP67 and EV Battery Enclosure Design

IP67 is commonly used in discussions of protection against dust and temporary water immersion.

However, the rating belongs to the enclosure or equipment assembly, not simply to an individual rivet nut.

For automotive applications, ISO 20653:2023 addresses degrees of protection provided by road-vehicle electrical equipment enclosures and specifies tests used to confirm the relevant degree of protection.

Therefore, a technically responsible specification should say:

“Sealing blind rivet nut for an enclosure designed and validated for the applicable IP requirement.”

rather than:

“This rivet nut guarantees IP67.”

The actual IP performance must be demonstrated on the relevant enclosure configuration.

7. IEC 60529 and General IP-Code Applications

IEC 60529 establishes the general IP Code classification for degrees of protection provided by enclosures.

For automotive applications, ISO 20653 builds on the IP-code concept and includes road-vehicle-specific requirements and test conditions.

The appropriate standard should therefore be selected according to the equipment and market.

For an EV battery enclosure, the customer specification may reference ISO 20653, IEC 60529, or additional OEM-specific environmental requirements.

8. Blind-Side Installation

One of the primary advantages of a blind rivet nut is one-sided installation.

The installer can access the visible side of the panel while the opposite side remains inaccessible.

This is useful for:

• Battery housings

• Closed profiles

• Chassis structures

• Electrical cabinets

• Automotive body structures

• HVAC equipment

• Industrial enclosures

The installation tool must be compatible with the rivet nut geometry, thread, grip range, and required setting method.

9. Rivet Nut Setting Mechanics

The basic installation sequence is:

1. Prepare the specified hole.

2. Insert the rivet nut.

3. Position the installation tool.

4. Apply the required setting force or stroke.

5. Form the blind-side deformation.

6. Confirm the final installation condition.

7. Inspect the thread and flange seating.

The exact setting method depends on the rivet nut design and installation equipment.

10. Grip Range and Sheet Thickness

Grip range is one of the most important parameters when selecting a blind rivet nut.

The rivet nut must be capable of forming its blind-side deformation correctly within the actual material thickness.

If the sheet is outside the intended grip range, potential problems include:

• Insufficient deformation

• Excessive deformation

• Weak retention

• Poor flange seating

• Distortion of the panel

• Reduced torque-out resistance

• Installation inconsistency

Therefore:

Thread size alone is not enough to select a rivet nut.

11. Information Gain: Grip Range Is a Joint Variable

A common procurement mistake is ordering:

“M6 blind rivet nuts”

without specifying the sheet thickness.

An M6 rivet nut installed in a thin aluminum cover may require a very different body length and grip range from an M6 rivet nut installed in a thicker steel bracket.

A proper RFQ should identify:

• Thread

• Head style

• Body style

• Material

• Sheet thickness

• Grip range

• Hole diameter

• Installation method

12. Semi-Hex and Half-Hex Rivet Nut Geometry

Semi-hex or half-hex rivet nuts use a non-round body section to improve resistance to rotation in compatible holes.

This can be particularly useful when the joint must resist higher tightening torque or repeated service loads.

Potential applications include:

• Automotive brackets

• Aluminum enclosures

• Battery housings

• Structural covers

• High-vibration equipment

The mating hole must be designed to match the selected body geometry.

13. Information Gain: Anti-Rotation Starts With the Hole

A semi-hex rivet nut cannot provide its intended anti-rotation behavior if the mating hole does not properly control the body geometry.

The engineering interface includes:

Rivet nut body geometry + hole geometry + sheet thickness + installation deformation

If the hole is oversized, poorly formed, or incorrectly shaped, the available anti-rotation benefit can be reduced.

This is why the hole specification should be treated as part of the fastener system.

14. Torque-Out vs. Pull-Out Performance

Two commonly discussed performance characteristics are:

Torque-Out Resistance

Torque-out relates to resistance against rotation of the installed rivet nut when a mating screw is tightened or loosened.

Pull-Out Resistance

Pull-out relates to axial loading that attempts to pull the rivet nut out of the sheet.

These are different failure modes.

A rivet nut can have good torque resistance but still be limited by sheet deformation under axial load.

Likewise, a design may have adequate pull-out performance while requiring additional control of rotation.

15. Information Gain: Higher Torque Capacity Is Not Automatically Better

Increasing the tightening torque of the mating screw does not automatically improve the complete joint.

The limiting component may be:

• Rivet nut thread

• Rivet nut body

• Sheet metal

• Installation deformation

• Screw

• Local panel deformation

The correct design therefore matches the mating screw torque to the complete joint capability.

For EV battery enclosures, this is especially important because aluminum sheet can have very different mechanical behavior from steel sheet.

16. Aluminum Battery Enclosures

Aluminum is widely used in automotive structures because of its low density and useful corrosion characteristics.

However, thin aluminum sheet can present fastening challenges.

Potential concerns include:

• Local deformation

• Hole enlargement

• Threaded insert rotation

• Bearing stress

• Galvanic interaction

• Thermal expansion

• Coating damage

A semi-hex or other anti-rotation rivet nut geometry may be considered where the joint requires increased resistance to rotation.

17. Steel Battery Enclosures

Steel battery housings and support structures may provide different joint behavior from aluminum.

The fastener selection should account for:

• Sheet strength

• Sheet thickness

• Coating

• Corrosion environment

• Required thread size

• Assembly torque

• Service requirements

A rivet nut that performs well in one sheet material should not automatically be assigned the same performance values in another material.

18. Stainless Steel Rivet Nuts

Stainless steel rivet nuts may be considered when corrosion resistance is important.

Commonly considered grades include:

• 304 stainless steel

• 316 stainless steel

Material selection should reflect the actual environment.

Potential considerations include:

• Road salt

• Water exposure

• Coolant

• Humidity

• Cleaning chemicals

• Temperature

• Galvanic compatibility

19. Carbon Steel Rivet Nuts

Carbon steel rivet nuts can provide an economical solution for many industrial and automotive applications.

Protective finishes may include specified zinc-based or other corrosion-protection systems.

The finish should be selected according to:

• Corrosion environment

• Required appearance

• Thread condition

• Dimensional constraints

• Environmental requirements

The surface finish should not be treated as a substitute for proper material compatibility.

20. Galvanic Corrosion in Aluminum Enclosures

A stainless steel rivet nut installed in an aluminum enclosure creates a dissimilar-metal interface.

Under suitable environmental conditions, galvanic corrosion can occur.

The risk depends on:

• Metal pair

• Electrolyte presence

• Surface area ratio

• Coating condition

• Temperature

• Moisture exposure

• Electrical continuity

For EV battery enclosures, this issue should be evaluated together with the panel, rivet nut, washer, screw, coating, and environmental exposure.

21. Information Gain: The Seal Does Not Solve Galvanic Corrosion

A sealing feature can reduce moisture migration through a specific interface.

It does not automatically eliminate all corrosion mechanisms.

If moisture reaches another part of the dissimilar-metal interface, galvanic interaction can still occur.

Therefore, corrosion protection and sealing should be treated as two related but separate engineering decisions.

22. Sealing Flange Design

A sealing flange can provide an interface between the rivet nut and the enclosure surface.

The effectiveness of the seal depends on:

• Seal material

• Seal geometry

• Flange flatness

• Hole geometry

• Surface condition

• Compression

• Temperature

• Chemical compatibility

The seal must remain within its functional compression range during the expected service conditions.

23. Elastomer Compatibility

Where an elastomer seal is used, material selection should consider:

• Temperature

• Fluid exposure

• Coolant compatibility

• Aging

• Compression set

• Chemical exposure

• Environmental conditions

The appropriate elastomer cannot be selected solely because it provides a high initial sealing force.

Long-term behavior matters.

24. Information Gain: Compression Must Be Controlled, Not Maximized

A sealing gasket works within a functional compression range.

Too little compression may allow leakage.

Too much compression may cause:

• Excessive deformation

• Material damage

• High installation load

• Reduced elastic recovery

• Premature aging

The design should therefore establish an appropriate compression window.

25. Thermal Cycling in EV Battery Enclosures

EV battery enclosures experience changing temperatures during:

• Fast charging

• High-power operation

• Ambient temperature changes

• Thermal management

• Vehicle operation

• Parking and storage

Different materials can expand at different rates.

For example:

Aluminum enclosure + steel fastener + elastomer seal

may exhibit different thermal expansion behavior across the joint.

The sealing interface should therefore be evaluated over the actual temperature range.

26. Information Gain: Initial Sealing Is Not the Same as Lifetime Sealing

A sealing rivet nut may appear effective immediately after installation.

Long-term performance can change due to:

• Thermal cycling

• Elastomer aging

• Compression relaxation

• Panel movement

• Fastener preload changes

• Vibration

• Moisture exposure

For critical enclosure applications, validation should reproduce representative service conditions.

27. EV Battery Pack Vibration

Battery assemblies are exposed to vehicle vibration and road-induced loads.

Potential joint concerns include:

• Rivet nut rotation

• Panel movement

• Screw loosening

• Seal movement

• Hole enlargement

• Fretting

• Fatigue

Anti-rotation geometry and appropriate screw-joint design can help address some of these concerns, but the complete assembly must be validated.

28. EV Thermal Management Applications

Battery thermal-management systems may include coolant passages and adjacent structural components.

Fasteners around these assemblies may encounter:

• Coolant exposure

• Temperature cycling

• Vibration

• Aluminum structures

• Stainless or coated steel components

Sealing fasteners can be useful where an enclosure or mounting interface requires controlled moisture resistance.

However, the fastener should not be described as a pressure-containing coolant component unless its actual function and qualification support that claim.

29. High-Voltage Electrical Enclosures

High-voltage electrical systems require controlled enclosure design to protect internal components from environmental exposure and accidental access.

Fastening interfaces may be located around:

• Battery covers

• Connector plates

• Service access panels

• Power-electronics housings

• Junction boxes

• Control enclosures

The fastener selection should support the enclosure's defined mechanical and environmental requirements.

30. IP Protection Is an Assembly-Level Requirement

For EV battery enclosure applications, IP protection should be treated as a system characteristic.

The validation configuration may include:

• Enclosure panels

• Gaskets

• Fasteners

• Rivet nuts

• Mating screws

• Cable interfaces

• Connectors

• Vents

• Service openings

If one sealing interface fails, the enclosure may not achieve its required ingress-protection level.

This is why the statement:

“IP67 rivet nut”

should be replaced with:

“Sealing rivet nut intended for use in an enclosure designed and validated to the applicable IP requirement.”

31. Closed-End Rivet Nuts for Moisture-Sensitive Enclosures

Closed-end rivet nuts can be useful where the designer wants to limit the open passage through the threaded body.

Potential applications include:

• Battery enclosures

• Outdoor electronics

• Control cabinets

• Automotive electronics

• HVAC equipment

• Industrial housings

The actual sealing requirement should determine whether a closed-end body alone is sufficient or whether an additional flange seal is required.

32. Flanged Sealing Rivet Nuts

A flanged sealing rivet nut can combine:

• Internal thread

• Blind-side expansion

• Flange

• Sealing interface

The flange may sit against the outer surface of the enclosure panel.

Where an elastomer seal is integrated, the seal should be specified by material, geometry, and intended operating environment.

33. Custom Sealing Rivet Nuts

OEM projects may require custom configurations such as:

• Custom flange diameter

• Reduced head

• Special sealing groove

• Semi-hex body

• Full-hex body

• Knurled body

• Closed end

• Custom grip range

• Custom thread

• Special stainless grade

• Customer-specific seal material

A detailed drawing is the preferred basis for custom production.

34. Information Gain: Sealing and Anti-Rotation Are Separate Functions

A rivet nut may require two different performance functions:

Function 1: Sealing
Prevent or reduce fluid and moisture migration at the interface.

Function 2: Anti-Rotation
Resist rotation when the mating screw is tightened or serviced.

A seal does not automatically prevent spin-out.

A semi-hex body does not automatically create a water seal.

When both functions are required, both should be specified independently.

35. Thread Engagement and Mating Screw Selection

The mating screw should engage the intended thread length of the rivet nut.

Important variables include:

• Thread size

• Thread pitch

• Effective thread length

• Screw length

• Washer thickness

• Panel stack-up

• Required clamp load

The screw should not bottom against the closed end before achieving the intended joint condition.

For closed-end rivet nuts, screw length must therefore be checked carefully.

36. Information Gain: Closed-End Rivet Nuts Change Screw-Length Planning

A closed-end rivet nut can impose a physical limit on screw penetration.

If the screw is too long, it may contact the closed end before the mating component is correctly clamped.

If it is too short, insufficient thread engagement may result.

A proper assembly specification should therefore include:

Rivet nut thread length + panel stack-up + washer thickness + required screw engagement

rather than selecting screw length from nominal thread size alone.

37. Installation Force and Setting Stroke

The installation process influences final rivet nut performance.

Depending on the product design, the setting process may be controlled by:

• Tool stroke

• Installation force

• Mandrel movement

• Nosepiece configuration

• Thread engagement

• Grip range

Incorrect setting can lead to:

• Under-setting

• Over-setting

• Body distortion

• Reduced torque-out resistance

• Reduced pull-out performance

• Panel deformation

Production assembly should therefore use the installation method specified for the selected rivet nut.

38. Automated EV Production

High-volume automotive production may require repeatable installation.

Potential production requirements include:

• Defined installation tooling

• Controlled process parameters

• Tool maintenance

• Part feeding

• Orientation control

• Thread verification

• Presence detection

• Process documentation

The exact automation architecture depends on the customer's assembly line.

A supplier should not automatically claim compatibility with every pneumatic or automated installation system without reviewing the tool and rivet-nut configuration.

39. Quality Inspection for Sealing Blind Rivet Nuts

Depending on the drawing and customer requirements, inspection may include:

• Body diameter

• Flange diameter

• Overall length

• Grip range

• Thread size

• Thread pitch

• Thread gauge inspection

• Closed-end condition

• Seal position

• Seal dimensions

• Surface condition

• Material verification

Additional functional testing may be specified for torque-out, pull-out, installation performance, or sealing behavior.

40. Mechanical Testing and Joint Validation

Blind rivet nut performance can involve several failure modes.

Testing may consider:

• Torque-out

• Pull-out

• Thread stripping

• Body deformation

• Panel deformation

• Installation behavior

Testing should use a defined substrate, sheet thickness, hole geometry, installation procedure, mating screw, and load direction.

A test result without the test configuration is difficult to apply to another assembly.

41. Information Gain: Rivet Nut Strength Is Not a Single Number

A common procurement mistake is asking:

“What is the pull-out strength of this M6 rivet nut?”

The more useful engineering question is:

“What is the pull-out performance of this rivet nut in our sheet material, thickness, hole geometry and installation condition?”

The result can change substantially with:

• Sheet material

• Sheet thickness

• Hole diameter

• Body geometry

• Installation condition

• Screw condition

• Load direction

Therefore, customer-specific testing can be more meaningful than relying solely on a catalog number.

42. Stainless Steel and Material Documentation

Where stainless steel is specified, customers may require material identification and documentation appropriate to the project.

Potential requirements include:

• Stainless grade

• Material standard

• Certificate of Conformance

• Material certificate

• Lot traceability

Applicable stainless-steel standards should be identified according to the actual product and material form.

ASTM A240, for example, covers specified stainless steel plate, sheet, and strip products; it should not be used as a blanket statement that a finished rivet nut complies with every relevant performance requirement.

43. Coatings for Carbon Steel Rivet Nuts

Carbon steel rivet nuts may use protective coatings selected for the application.

Possible systems include:

• Zinc-based coatings

• Zinc-nickel systems

• Other specified protective finishes

The coating should be evaluated for:

• Corrosion environment

• Thickness

• Thread fit

• Assembly friction

• Hydrogen-related considerations where applicable

• Environmental requirements

Finish selection should be agreed in the engineering specification.

44. RoHS, REACH and Environmental Requirements

Automotive and industrial customers may impose requirements concerning:

• Restricted substances

• Chemical declarations

• REACH-related substances

• RoHS where applicable

• Customer-specific environmental documentation

The exact requirement depends on the product, market, customer and application.

Environmental compliance should therefore be documented against the actual supplied product and finish rather than described as a generic characteristic of every fastener.

45. Engineer Search Intent vs. Procurement Search Intent

Engineers may search for:

• Sealing rivet nut design

• Closed-end rivet nuts

• EV battery enclosure fasteners

• Semi-hex rivet nuts

• Torque-out resistance

• Pull-out resistance

• Aluminum sheet fastening

• IP67 enclosure fastening

• Thermal cycling

• Galvanic corrosion

• Installation tooling

Procurement teams may search for:

• Sealing blind rivet nut supplier

• EV battery rivet nut manufacturer

• Closed-end rivet nuts

• Stainless steel rivet nuts

• Automotive threaded inserts

• Custom rivet nut supplier

• OEM production quantities

• Quality documentation

• Supplier qualification

• Packaging and logistics

A strong B2B solution page should serve both search paths.

46. Supplier Qualification for EV Fasteners

Automotive procurement teams may evaluate:

• Drawing capability

• Material control

• Production consistency

• Inspection procedures

• Traceability

• Sample approval

• Change control

• Packaging

• Delivery planning

• Quality documentation

• Communication

Automotive customers may also have customer-specific quality-system requirements.

IATF 16949 requirements and OEM customer-specific requirements should only be claimed where the supplier actually holds or meets the applicable requirements. 

OEM-specific requirements can vary; the IATF organization publishes customer-specific requirements for major automotive manufacturers.

47. Information Gain: Do Not Specify the Fastener Before the Enclosure

The correct design sequence is:

Enclosure material
→ Sheet thickness
→ Hole geometry
→ Required thread
→ Load requirement
→ Anti-rotation requirement
→ Sealing requirement
→ Environment
→ Temperature
→ Installation process
→ IP validation requirement

Only then should the final rivet nut configuration be selected.

This prevents the common mistake of choosing a catalog rivet nut first and trying to force the enclosure design around it.

48. EV Battery Enclosure Application Matrix

49. Commercial Pathway: From EV Enclosure Design to RFQ

A practical sourcing workflow is:

Enclosure Architecture

→ Battery tray, battery cover, HV housing, power electronics or control enclosure

Sheet Material

→ Aluminum, steel or other specified material

Sheet Thickness

→ Actual minimum and maximum thickness

Hole Geometry

→ Round, semi-hex, full-hex or customer-specific hole

Thread

→ M4, M5, M6, M8 or specified thread

Grip Range

→ Actual panel thickness range

Body Geometry

→ Round, knurled, semi-hex or full-hex

Anti-Rotation Requirement

→ Defined torque-out requirement where applicable

Sealing Requirement

→ Closed end, flange seal, elastomer seal or other configuration

Environment

→ Water, dust, coolant, salt, humidity, temperature

IP Requirement

→ Applicable enclosure-level target and test method

Installation

→ Manual, pneumatic or automated tool

Inspection

→ Thread, dimensions, material, installation or functional tests

Documentation

→ CoC, material documentation, inspection records

Supplier Qualification

→ Customer-specific requirements

RFQ

This converts an engineering problem into a procurement-ready specification.

50. What Makes a Strong Sealing Rivet Nut RFQ?

A strong RFQ should include:

1. Application

2. Enclosure type

3. Sheet material

4. Sheet thickness

5. Hole diameter or geometry

6. Thread size

7. Grip range

8. Head style

9. Body geometry

10. Closed or open end

11. Sealing requirement

12. Seal material where applicable

13. Operating temperature

14. Environmental exposure

15. IP requirement

16. Mating screw specification

17. Required torque

18. Annual quantity

19. Inspection requirements

20. Documentation requirements

21. Packaging requirements

22. Delivery requirements

A drawing or existing sample is especially valuable for custom EV battery enclosure fasteners.

51. Broader EV Fastening Solutions

Battery enclosures rarely use only one type of fastener.

An OEM assembly may also require:

• High-strength bolts

• Nuts

• Self-clinching fasteners

• Custom screws

• CNC-machined components

• Plastic hardware

• Retaining components

JUXIN FASTENERS supports broader high-strength bolts and nuts for industrial and automotive mechanical assemblies.

For custom metal components associated with battery housings, brackets and equipment structures, customers can also review stainless steel CNC machining parts.

52. Automotive and Industrial Fastener Integration

Sealing blind rivet nuts can form one part of a broader fastening architecture.

Other components may be used for:

• Structural joints

• Brackets

• Covers

• Cable management

• Interior panels

• Electrical assemblies

• Service components

JUXIN FASTENERS also supports industrial and automotive bolts and nuts.

For non-metallic automotive components, automotive plastic fasteners can be considered where the application calls for lightweight clips, retainers, cable holders or other plastic fastening hardware.

53. From Prototype to Repeat OEM Production

A practical development process can follow:

Application Review

→ Drawing / Sample Review

→ Material and Geometry Confirmation

→ Prototype / Sample

→ Installation Evaluation

→ Joint Testing Where Required

→ Enclosure Validation

→ Production Approval

→ Repeat Manufacturing

→ Quality Documentation

→ Ongoing Supply

For automotive programs, the customer's own validation and quality-approval process remains the controlling requirement.

54. Information Gain: Validate the Complete Joint, Not Just the Rivet Nut

The most important engineering principle for sealing EV enclosure fasteners is:

The rivet nut is a component of the enclosure sealing system, not the entire sealing system.

Validation should reproduce the relevant:

• Panel material

• Panel thickness

• Hole geometry

• Rivet nut

• Seal

• Screw

• Torque

• Temperature

• Vibration

• Water exposure

• Pressure or immersion condition

Only a representative assembly test can establish whether the complete enclosure meets its required environmental protection level.

55. Why Application Information Improves OEM Sourcing

Compare:

RFQ A:
“Please quote M6 waterproof rivet nuts.”

with:

RFQ B:
“Please quote closed-end sealing M6 rivet nuts for a 2.0 mm aluminum EV battery enclosure, semi-hex body, defined flange seal, 

automotive temperature range, repeated service access, specified IP validation requirement and annual production quantity.”

The second RFQ gives the supplier enough context to evaluate the actual engineering requirement.

This improves quotation accuracy and reduces the risk of supplying a technically similar but functionally unsuitable part.

56. JUXIN FASTENERS for EV Battery Enclosure Fastener Sourcing

JUXIN FASTENERS supports OEM and industrial customers with:

• Blind rivet nuts

• Sealing rivet nuts

• Closed-end rivet nuts

• Semi-hex rivet nuts

• Stainless steel rivet nuts

• Carbon steel rivet nuts

• Custom threaded fastening components

• Related automotive and industrial fasteners

For custom projects, customers can provide:

• 2D drawings

• 3D models

• Samples

• Enclosure material

• Sheet thickness

• Thread requirements

• Sealing requirements

• Environmental conditions

• Quantity requirements

• Inspection requirements

The objective is to match the rivet nut to the actual enclosure and assembly requirements.

57. Request a Sealing Blind Rivet Nut RFQ

If you are developing an EV battery enclosure, automotive electronic housing, thermal-management system, industrial electrical cabinet, 

outdoor enclosure or other thin-sheet assembly requiring a sealed threaded fastening point, send JUXIN FASTENERS the available technical information.

Useful RFQ materials include:

• 2D drawing

• 3D model

• Existing sample

• Sheet material

• Sheet thickness

• Hole geometry

• Thread size

• Grip range

• Body geometry

• Closed-end requirement

• Seal requirement

• Operating temperature

• Fluid or moisture exposure

• IP requirement

• Installation method

• Annual quantity

• Inspection requirements

• Documentation requirements

JUXIN FASTENERS can review standard or custom sealing blind rivet nut requirements for EV battery enclosures, automotive electronics, industrial equipment and other OEM applications.

JUXIN FASTENERS
20+ Years of Fastener Experience
Sealing Blind Rivet Nuts, Closed-End Rivet Nuts, Automotive Threaded Inserts and Custom OEM Fastening Components

Website: www.juxinfasteners.com
Email: info@juxinfasteners.com