Original price was: $55.19.Current price is: $27.60.

12 x 2 Simpson Flat-Head Self-Drilling Screw w/ Wings - Square Drive 410 SS - Box (100) . Fasten wood, plywood and fiber cement to...

12 x 2 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 hole in work piece so it wont climb up the shank, then break off as point engages the steel substrate
Drilling thickness capacities: up to .209″ (171 mils, 7 ga) for #12, up to .250″ (229 mils, 3 ga) for #14