Socket Screw, Machine, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
1/2"-20, 1/2 in, 7/16"-14, 7/16 in, 9/16"-12, 9/16 in, 1/4"-20, 1/4 in, 1-1/8"-7, 1-1/8 in
1 9/16", 130 mm, 85 mm, 3 11/16", 2 7/8"
Stainless Steel, Nylon, Plastic, Titanium, Steel, Alloy Steel, Steel
Low-Profile Standard, Button, Ultra-Low-Profile Standard, Standard, Flat
Phillips, Socket, External Square, Slotted, External Hex