Machine, Socket Screw, Self Drilling Screws, Flat Head Screw, External Hex
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
3/8 in, 3/8"-24, M5, M5-0.80, 1/4"-20, 1/4 in, 1/4 in, 1/4"-28, M6, M6-1.00
55 mm, 50 mm, 100 mm, 3 11/16", 2 3/4"
Stainless Steel, Steel, Alloy Steel, Nylon, Plastic, Titanium, Steel
Flat, Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flanged Button
Hex, Phillips, Socket, External Square, Slotted