Machine, Self Drilling Screws, Socket Screw, Flat Head Screw, External Hex
Imperial, Metric, Coarse, Metric, Fine, Metric, Inch
M4, M4-0.70, 1/4 in, 1/4"-28, M5, M5-0.80, 3/8 in, 3/8"-24, 3/8"-16, 3/8 in
100 mm, 1 3/8", 80 mm, 3 7/8", 3 11/16"
Brass, Steel, Alloy Steel, Nylon, Plastic, Titanium, Steel
Ultra-Low-Profile Standard, Button, Standard, Flat, Flanged Button
Hex Socket, Hex, Socket, Slotted, External Square