Self-tapping screw ART 9504 M4,8x20 A2

Self-tapping screws on metal with a drill have two cutting edges, which greatly facilitate and accelerate the process of twisting hardware into materials. Self-tapping screws on metal do not require pre-drilling holes.

Advantages of ART 9504 Hexagon head screw and EPDM washer

- A special welding process connects the stainless steel screw to the hardened carbon steel tip.

- Attractive solution for optimal power transfer.

- The self-tapping screw is weatherproof

- Stainless steel sealing washer with vulcanized elastomer

Scope construction of metal structures, solar industry.

Material stainless steel. The grade of steel A2 allows to use fastenings at considerable differences of temperature and in the aggressive and humid environment.

Uncoated.