1 3/4-5 x 7 Socket Cap Screw Alloy

#1 square recess drive and trim head with a Type 17 tip for faster starts and to resist splitting in hardwoods

9/16-18 x 4 1/2 Socket Cap Screw Alloy

5/16 x 6 (1/4 Drive) Magnetic Nut Setter

The threaded stud version is available in eight diameters and multiple lengths

7 x 3 Simpson Trim-Head Self-Drilling Siding Screw - Square Drive 410 SS - Carton (1000) fully-threaded 1 3/4-5 x 7 Socket7 x 3 Simpson Trim Head Self Drilling Siding Screw Square Drive 410 SS Carton (1000) . Attach wood siding, wood panels and metal trim to steel studs #1 square drive trim head, . 230" head diameter, #3 drill point Threaded 2 3 of overall length Drilling thickness capacity: up to 0. 125" (111 mils or 11 ga.)