Machine, Self Drilling Screws, Socket Screw, Flat Head Screw, External Hex
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
5/16"-18, 5/16 in, 3/4"-10, 3/4 in, 1/4 in, 1/4"-28, 1/4"-20, 1/4 in, 5/16 in, 5/16"-24
3 7/8", 60 mm, 4 3/8", 3 11/16", 2 7/8"
Stainless Steel, Steel, Titanium, Nylon, Plastic, Steel, Alloy Steel
Flat, Button, Low-Profile Standard, Ultra-Low-Profile Standard, Flanged Button
Hex Socket, Hex, External Square, Slotted, Socket