Machine, Self Drilling Screws, Socket Screw, Flat Head Screw
Imperial, Metric, Metric, Fine, Metric, Coarse, Inch
3/8"-16, 3/8 in, M5, M5-0.80, 7/16"-20, 7/16 in, 5/16 in, 5/16"-24, 1/4 in, 1/4"-28
45 mm, 3 11/16", 100 mm, 65 mm, 55 mm
Aluminum, Steel, Alloy Steel, Titanium, Nylon, Plastic, Steel
Flat, Low-Profile Standard, Ultra-Low-Profile Standard, Flanged Button, Flanged Standard
Hex Socket, External Square, Socket, Slotted, External Hex