Socket Screw, Machine, Self Drilling Screws, Flat Head Screw, External Hex
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
1/4"-20, 1/4 in, 9/16"-12, 9/16 in, 7/8"-9, 7/8 in, 3/4"-10, 3/4 in, 1/2"-20, 1/2 in
3 11/16", 16 mm, 45 mm, 22 mm, 3 1/2"
Brass, Nylon, Plastic, Titanium, Steel, Alloy Steel, Steel
Low-Profile Standard, Flat, Button, Ultra-Low-Profile Standard, Flanged Button
Hex Socket, Cross, Socket, External Square, Slotted