Simpson Strong-Tie S07125FB1 Trim-Head Screw, Square Drive — #7 x 1-1/4 in. #1 SQ, Type 305 (1 lb.) (Pack of 800) Impact Driver Screw size: #8 x 1-5/8

Screw size: #8 x 1-5/8 inches

Solid Carbide Double-Flute Downcut Spiral Router Bit

Size identification on all Simpson Strong-Tie® screws

Size: 1/4 in

Simpson Strong-Tie S07125FB1 Trim-Head Screw, Square Drive — #7 x 1-1/4 in. #1 SQ, Type 305 (1 lb.) (Pack of 800) Impact Driver Screw size: #8 x 1-5/8Simpson Strong Tie S07125FB1 Trim Head Screw, Square Drive #7 x 1 1 4 in. #1 SQ, Type 305 (1 lb.) (Pack of 800) Ideal for decking applications, the Simpson Strong Tie trim head screw features a square drive for secure, slip free engagement during installation. The low profile, trim style head sits flush with the surface, delivering a clean finish. A Type 17 point allows for quick starts, while coarse threads on the lower two thirds of the shank