Machine, Socket Screw, Self Drilling Screws, Flat Head Screw, External Hex
Imperial, Metric, Metric, Fine, Metric, Coarse, Inch
5/8"-11, 5/8 in, 5/16"-18, 5/16 in, M16-2.00, M16, M5, M5-0.80, 1/4 in, 1/4"-28
1 9/16", 5/16", 100 mm, 25 mm, 4 3/8"
Brass, Stainless Steel, Steel, Steel, Alloy Steel, Nylon, Plastic
Flanged Standard, Low-Profile Standard, Ultra-Low-Profile Standard, Flat, Flanged Button
Hex, Phillips, Socket, Slotted, External Square