Features: Hardening treatment
M4.2 Black Truss Head Self-Drilling Screw
*Material: Zinc-coated steel
M4.2 410 Sunk Head Self-Drilling Screw
*Material: 410 Stainless Steel
M4.2, M4.8, M5.5 410 Hex Head Self-Drilling Screw
*Material: 410 Stainless Steel
M5.5 Zinc Hex Head Self Drilling Screw
*Material: Zinc-coated steel
M4.2 Zinc Truss Head Self-Drilling Screws
*Material: Zinc-coated steel