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At Juxin Fasteners, we understand that precision and reliability are essential for CNC-machined parts and industrial fasteners. We strictly adhere to the ISO 9001 quality management system, ensuring that every component meets exacting standards for material integrity, process control, and final inspection.
Our dedicated Quality Assurance (QA) team oversees all stages of production, from raw material verification to in-process monitoring and outgoing quality control. This rigorous approach guarantees that our products fully comply with customer specifications and perform reliably in demanding applications.
CNC Machining Precision: High-accuracy production processes ensure tight tolerances and consistent quality for all parts.
ISO 9001-Compliant Processes: Structured quality management ensures standardized production, traceability, and continuous improvement.
Comprehensive Material & Process Control: From incoming material checks to in-process inspections, every step is carefully monitored.
Outgoing Quality Verification: Finished products undergo strict inspection to ensure zero-defect delivery.
Continuous Improvement Commitment: Juxin Fasteners continuously enhances quality management systems and production processes to meet evolving customer requirements.
By combining advanced CNC machining, robust ISO 9001 quality management, and professional QA oversight, Juxin Fasteners delivers precision-engineered industrial fasteners that meet the highest standards. Our control accuracy and quality assurance processes ensure that customers receive reliable, defect-free products on time, every time.

PRECISION RANGE
1 Aperture diameter and roundness ±0.00002" (±0.5 um/±0.0005 mm)
2 Flatness ±0.00001" (±0.2 um/±0.0002 mm)
3 Straightness 0.00004" (1 um/0.001 mm)
4 Cylindricity 0.00002" (0.5 um/0.0005 mm)
5 Parallelism 0.0001" (0.25 um/0.0025 mm)
6 Verticality 0.0002" (5 um/0.005 mm)
7 Concentricity 0.0002" (0.5 um/0.0005 mm)
8 Symmetry 0.0003" (8 um/0.008 mm)
9 Beat 0.00004" (1 um/0.001 mm)
EXTERNAL THREAD TOLERANCE

4h: Screws with a nominal diameter of 1mm-300mm
5h&6h: Screws with a nominal diameter of 3mm-39mm
6h: Screws with a nominal diameter of 1mm-68mm
6g: Screws with a nominal diameter of 1.6mm-300mm
6f: Screws with a nominal diameter of 1.6mm-68mm, and threads with a pitch greater than or less than 0.35mm.
6e: Screws with a nominal diameter of 3mm-68mm, and threads with a pitch greater than or less than 0.5mm.
8h: Screws with a nominal diameter of 5mm-300mm, and threads with a pitch greater than or less than 0.8mm.
8g: Screws with a nominal diameter of 5mm-300mm, and threads with a pitch greater than or less than 0.8mm.
Contact Us
Tel.:
+86 020 8621 0320
+86 020 3121 6067
E-mail:
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