Machine, Self Drilling Screws, Socket Screw, 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, 1-1/8"-7, 1-1/8 in, 1/2"-20, 1/2 in
1 1/2", 3 11/16", 140 mm, 200 mm, 65 mm
Aluminum, Brass, Steel, Alloy Steel, Titanium, Nylon, Plastic
Flanged Standard, Ultra-Low-Profile Standard, Button, Flat, Flanged Button
Phillips, Hex, Socket, External Square, Slotted