Socket Screw, Machine, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Coarse, Metric, Fine, Metric, Inch
1/4"-20, 1/4 in, 7/8"-9, 7/8 in, 5/16"-18, 5/16 in, 5/8"-11, 5/8 in, M5, M5-0.80
5 1/4", 2 1/16", 65 mm, 1 1/2", 3 9/16"
Brass, Stainless Steel, Nylon, Plastic, Titanium, Steel
Flanged Standard, Flanged Button, Low-Profile Standard, Ultra-Low-Profile Standard, Standard
Pozidriv, External Square, Slotted, Socket, External Hex