Special flute design improves penetration without blowback or compacting

1/4 x 1 1/2 Flat Split Drive Anchor Zinc Plated (100)

8 x 1 5/8 Simpson Bugle-Head Self-Drilling Screw - Square Drive 410 SS - Carton (3000)

39/64 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

7 x 2 Square Bugle Coarse Drywall Screws Phosphate - Carton (3500) 3/4 Hex Lag Screws Hot Dipped Galvanized Special flute design improves penetration7 x 2 Square Bugle Coarse Drywall Screws Phosphate Coated Carton (3500) . Intercorp Strong Point drywall screws are designed to attach gypsum board and soft wood to wood studs. Meets ASTM A510 for carbon steel manufacturing.