Unique 4-corner thread form with raised-ridge technology greatly reduces driving torque

1/4-20 x 3 Flat Sleeve Anchor Zinc Plated (50)

3/16 x 3 Mushroom Spike Zinc Plated (100)

3/4-16 x 3 1/2 Hex Cap Screw SS 316 (A4)

8 x 3/4 Simpson Mod Truss-Head Self-Drilling Wire Lath Screws - Phillips Drive 410 SS - Box (100) 7/16-20 Hex Cap Screws 18-8 Stainless Steel Unique 4-corner thread form with8 x 3 4 Simpson Mod Truss Head Self Drilling Wire Lath Screws Phillips Drive 410 SS Box (100) . Fastens corrugated siding panels to steel stud without pre drilling #3 drill point for quick penetration of aluminum panels without "point walking" Securely fastens one to three panel thicknesses #8 Diameter #2 Phillips drive Drilling thickness capacity: up to 0. 142" (118 mils or 10 ga.)