Socket Screw, Machine, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
1/4 in, 1/4"-28, 9/16"-12, 9/16 in, 1/2"-20, 1/2 in, 1-1/8"-7, 1-1/8 in, 3/4"-10, 3/4 in
3 7/8", 70 mm, 60 mm, 2 7/8", 140 mm
Steel, Alloy Steel, Titanium, Nylon, Plastic, Stainless Steel, Steel
Flanged Standard, Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flat
Phillips, Slotted, External Square, Socket, External Hex