Socket Screw, Machine, Self Drilling Screws, Flat Head Screw, External Hex
Imperial, Metric, Coarse, Metric, Fine, Metric, Inch
3/8"-16, 3/8 in, 7/16"-14, 7/16 in, 9/16"-12, 9/16 in, 1-1/8"-7, 1-1/8 in, 1/2"-20, 1/2 in
5 1/4", 3/4", 3 9/16", 60 mm, 55 mm
Brass, Steel, Alloy Steel, Nylon, Plastic, Titanium, Steel
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flat, Flanged Button
Hex Socket, Pozidriv, Socket, External Square, Slotted