hex washer head

Hex washer head self-drilling screws are mechanical basic parts and are in great demand. Usually self-drilling screws are used to ensure safety or generally do not consider the adverse effects of temperature or other dangerous conditions. Commonly used materials are carbon steel and stainless steel. However, in certain occasions, fastener materials need to meet severe corrosion or high strength conditions, and many stainless steel and ultra high strength stainless steels have emerged.

Self-drilling drill bit, anti-aging EPDM seal, the same colored nut as the color plate. Self-tapping drill bit: drill bit designed for thick girders; 12.5mm steel boring bar drilled once; drilling, tapping and fixing at one time. EPDM gasket for self-drilling screws with good physical and chemical resistance.

Hexagon flange head tapping screws are also called; hex belt with self-tapping screws, hexagonal Phillips wood screws, cross recessed brain self-tapping screws, hex flange head wood screws, hex cross flange bolts. This is a nail designed specifically for wood and can be used in place of machine screws. Use a screwdriver to screw directly into the wooden component. Used to fasten a metal (or non-metal) part with a through hole to a wooden component. This connection is also a detachable connection. Simple, convenient and durable.