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

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

1/2-20 x 7 1/2 Hex Cap Screw SS 316 (A4)

Proof load strength is 175

8 x 2 1/4 Simpson Self-Drilling Fiber-Cement Screws 410 SS - Box (100)

7 x 3 Simpson Trim-Head Self-Drilling Siding Screw - Square Drive 410 SS - Carton (1000) fully-threaded The threaded stud version is7 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.)