30CT 12-24x2.75 F Screw

Powerpro, 30 Count, 12-24 x 2.75", Flat Head & Winged Self Drilling Wood To Metal Screw, Star Drive & Pro-Stick Bit Prevent Cam-Out & Increase Stability While Driving, Self-Drilling Tip Means No Pre-Drilling, Quickly Penetrates Metal Up To 1/8", 11 Gauge.