Machine, Self Drilling Screws, Socket Screw, Flat Head Screw, External Hex
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
5/16"-18, 5/16 in, 1/4 in, 1/4"-28, 1/4"-20, 1/4 in, M5, M5-0.80, 3/8 in, 3/8"-24
2 1/4", 240 mm, 3 11/16", 140 mm, 20 mm
Nylon, Plastic, Titanium, Steel, Alloy Steel, Stainless Steel, Steel
Low-Profile Standard, Ultra-Low-Profile Standard, Button, Standard, Flat
Hex Socket, Phillips, Socket, External Square, Slotted