Machine, Self Drilling Screws, Socket Screw, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
5/16"-18, 5/16 in, 3/8 in, 3/8"-24, 5/16 in, 5/16"-24, 1/4"-20, 1/4 in, 1/4 in, 1/4"-20
1 3/8", 16 mm, 60 mm, 3 11/16", 85 mm
Stainless Steel, Titanium, Steel, Alloy Steel, Nylon, Plastic, Steel
Ultra-Low-Profile Standard, Button, Standard, Flat, Flanged Button
Hex Socket, Socket, External Square, Slotted, External Hex