Machine, Self Drilling Screws, Socket Screw, Flat Head Screw
Imperial, Metric, Metric, Fine, Metric, Coarse, Inch
M4, M4-0.70, M5, M5-0.80, 3/8 in, 3/8"-24, 7/16"-20, 7/16 in, 5/16 in, 5/16"-24
1 3/8", 3 3/16", 50 mm, 1 7/8", 8"
Brass, Stainless Steel, Titanium, Nylon, Plastic, Steel, Alloy Steel
Button, Ultra-Low-Profile Standard, Standard, Flat, Flanged Button
Phillips, Socket, External Square, Slotted, External Hex