Production Flow Chart
- Raw Material: Appearance Test, Weight Test, Wirerod Size Test, Metallurgical Test
- Cold Heading: Diameter&Angle Test, Appearance Test
- Threading: Thread Go&No-go Test; Axial Run-out Test
- Heat Treatment: Hardness Test, Proof of Load Test, Thread Go&No-go Test
- Surface Process: Coating Thickness Test, Salt Spray Test
- Finished Product: Diameter Test, Appearance Test, Thread Go&No-go Test, Hardness Test, Proof of Load Test, Chemical Composition Test
- Packaging: Label, Package&Pallet Inspection
QC inspection tools & facilities
The Go&No-go Gauges
Calipers
The Vertical Gauge
Image Measuring Projector
Rockwell Hardness Testing Machines
Proof Load Test Machine
Coating Thickness Testing Machine (Fischerscope XRay)
Salt Spray Test Machine
Spectrometer
Metallographic Tester
QC Inspection Tools Certificate
We perform frequent routine checks to all of our QUALITY CONTROL equipment. In this page, it showes some of the testing report of our equipments; If you need to know more about our QC reports or equipments, please contact us through email: info@jinzhufastenernuts.com
GO&NO GO Gauge
Vertical Gauge
Caliper
Proof Load Test Machine
Image Measuring Projector
HRC hardness machine
Spectrometer Tester
