Quality Control Process
Rigorous quality control at every stage of production ensures every brass fastener meets our exacting standards.
Our Quality Philosophy
Quality is not just a department – it's ingrained in our culture.
100%
Inspection Rate
±0.01mm
Tolerance Accuracy
ISO
9001:2015 Certified
99.8%
Customer Satisfaction
Quality Control Stages
1
Incoming Material Inspection
All raw brass materials undergo thorough inspection before entering production.
- ✓Material composition analysis
- ✓Hardness testing
- ✓Dimensional verification
- ✓Certification review
2
In-Process Quality Control
Continuous monitoring during production ensures consistent quality.
- ✓First article inspection
- ✓Periodic sampling checks
- ✓Dimensional measurements
- ✓Visual inspection
3
Thread Quality Inspection
Thread accuracy is critical for fastener performance.
- ✓Thread pitch verification
- ✓GO/NO-GO gauge testing
- ✓Thread profile inspection
- ✓Major/minor diameter checks
4
Final Inspection & Testing
Comprehensive final inspection ensures every product meets all specifications.
- ✓100% visual inspection
- ✓Dimensional verification
- ✓Mechanical property testing
- ✓Documentation and certification
Testing Equipment & Methods
Dimensional Testing
- • Digital profile projectors
- • Precision micrometers
- • Coordinate measuring machines
- • Thread gauges and pitch checkers
- • Optical comparators
Mechanical Testing
- • Tensile testing machines
- • Hardness testers (Rockwell, Vickers)
- • Torque testing equipment
- • Shear strength analyzers
- • Fatigue testing systems
Material Analysis
- • Spectral composition analyzers
- • Metallographic microscopes
- • Salt spray testing chambers
- • Surface roughness testers
- • Coating thickness gauges
Quality Documentation
We provide comprehensive quality documentation with every order.
Request Quality Reports