Black Torx Machine Screws
| Product Name | Black torx machine screws |
| Measurement | M3*6 or custom made |
| Raw material | Carbon steel , etc |
| Surface | Black zinc plating |
| Total length | 7.5mm |
| Feature | 1/4 threaded |
| Test machine | Hardness test, torsional force test equipment, etc |
| Advantage | R&D, professional, supplier for known brands, and so on |
Production details
Main usage
Production process
Screw fasteners seem to be a simple and small work iron. However, in the production and manufacturing, it is testing the technical strength of a factory. When the screw fasteners are produced, the screw tolerance may be too large in an hour. As a result, it is impossible to assemble, and it is also possible to control the temperature and solution of the surface treatment when the surface of the screw fastener is processed, and it is easy to cause problems with the screw fastener.
The quenching method of the surface treatment of the screw fastener includes the type of quenching cooling medium employed. Cooling time. The final cooling temperature of the screw fastener surface, which is a very important and difficult process to master the quenching and heat treatment of large-size bolt fasteners.
FAQ:
What is your terms of packing for black machine screws?
Generally, we pack our goods in PE bags and brown cartons. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.
How about your quality control system of black zinc plating screws?
We have completed quality control system ,and will check the products one by one before shipment
How long can I get the sample of torx hex head screw?
Depends on your specific items, generally within 10-20 days.
Contact us
Shenzhen Lanejoy Technology Co., Ltd
Tel/whatsapp/wechat: +8618948768503
Add: Floor 3-4, no.2 workshop, no.30 of DaBu Tongchang Road, longDong Community, Baolong Street, longgang district, Shenzhen, Guangdong, China 518116