M6/M8/M10 304 stainless steel black cylindrical head inner hexagonal half tooth bolt black zinc plated cup head half tooth screw for Hardware & Equipment Assembly

Our M3/M4/M5 iron galvanized self-tapping screws with cross groove, flange washer and pit hex head are high-quality fasteners designed for industrial and daily use scenarios. Made of high-strength iron material, they are galvanized to enhance corrosion resistance and wear resistance, effectively preventing rust and deformation, and ensuring long-term stable use.

 

The cross groove design and self-tapping thread structure allow for quick and convenient installation, eliminating the need for pre-drilling, which greatly improves construction efficiency. The flange washer and pit hex head design enhance the stability of connection, with strong clamping force, not easy to loose, and can firmly fix various components.

 

Widely applicable to furniture assembly, equipment maintenance, woodworking, light industrial production and other scenarios, it is a practical and reliable fastener for both professional construction and daily DIY use. Strict quality control ensures uniform size, smooth surface, no burrs, and meets the use needs of different scenarios.