M3.5 M4 Drywall Wallboard Nails Self Tapping Countersunk Screws Fiber Color Zinc
● Head Shape: Countersunk Head. ● Thread Size: M3.5 M4. ● Surface: Color Zinc Plated. Spiral Thread the Thread Has a Fastening Effect, the Screw Section Is Smooth, There Are No Residual Burrs, and the Thread Is Neat and Clear.