Machine, Self Drilling Screws, Socket Screw, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
1/2"-13, 1/2 in, 1/4 in, 1/4"-28, 3/8 in, 3/8"-24, 5/16 in, 5/16"-24, M6, M6-1.00
130 mm, 55 mm, 3 11/16", 65 mm, 100 mm
Aluminum, Steel, Alloy Steel, Nylon, Plastic, Titanium, Steel
Flat, Ultra-Low-Profile Standard, Low-Profile Standard, Flanged Standard, Flanged Button
Phillips, Socket, External Square, Slotted, External Hex