Machine, Socket Screw, Self Drilling Screws, Flat Head Screw, External Hex
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
7/8"-9, 7/8 in, 9/16"-12, 9/16 in, 3/4"-10, 3/4 in, 1/4"-20, 1/4 in, 1/2"-20, 1/2 in
3 7/8", 22 mm, 3 11/16", 2 7/8", 85 mm
Brass, Stainless Steel, Nylon, Plastic, Titanium, Steel, Alloy Steel
Ultra-Low-Profile Standard, Standard, Button, Flanged Button, Flat
Hex Socket, Phillips, Socket, Slotted, External Square