Socket Screw, Self Drilling Screws, Machine, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
1/4 in, 1/4"-28, 1/4 in, 1/4"-20, 5/16 in, 5/16"-24, 9/16"-12, 9/16 in, 1/2"-20, 1/2 in
40 mm, 3 11/16", 16 mm, 65 mm, 100 mm
Steel, Steel, Alloy Steel, Stainless Steel, Titanium, Nylon, Plastic
Ultra-Low-Profile Standard, Button, Flanged Standard, Flat, Flanged Button
Pozidriv, Socket, External Square, Slotted, External Hex