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, 1/4"-20, 1/4 in, 1/4 in, 1/4"-20, 3/8"-16, 3/8 in
25 mm, 5 1/4", 3", 20 mm, 22 mm
Steel, Alloy Steel, Nylon, Plastic, Titanium, Stainless Steel, Steel
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flat, Flanged Button
Torx, Phillips, Socket, External Square, Slotted