Socket Screw, Machine, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
1/2"-20, 1/2 in, 9/16"-12, 9/16 in, 1/4"-20, 1/4 in, 1-1/8"-7, 1-1/8 in, 1/2"-13, 1/2 in
130 mm, 1 3/8", 40 mm, 90 mm, 85 mm
Steel, Alloy Steel, Steel, Nylon, Plastic, Titanium, Stainless Steel
Ultra-Low-Profile Standard, Button, Low-Profile Standard, Flat, Flanged Button
Pozidriv, Socket, External Square, Slotted, External Hex