The drywall gypsum and its paper are kept in compression and thereby immediately reinforced

1 1/4-12 x 7 Socket Cap Screw Alloy

8 x 2 Simpson Mod Truss-Head Self-Drilling Wire Lath Screws - Phillips Drive 410 SS - Carton (1000)

2 1/2 USS Flat Washer Zinc Plated

14 x 3 1/4 Simpson Flat-Head Self-Drilling Screw w/ Wings - Square Drive 410 SS - Box (100) 5/8-18 Socket Cap Screws Alloy The drywall gypsum and its14 x 3 1 4 Simpson Flat Head Self Drilling Screw w Wings Square Drive 410 SS Box (100) . Fasten wood, plywood and fiber cement to heavier steel up to . 209" thick #3 square drive Machine screw thread, threaded full length 2 1 2" length for 2 x 4 wood header; 2" length for 1" and 3 4" boards Flat countersunk head with self countersinking nibs Shank slot enhances thread formation in steel and removes exhaust Wings above drill point provide clearance