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, 7/8"-9, 7/8 in, 1/2"-20, 1/2 in, 3/4"-10, 3/4 in
5 1/4", 3", 5/16", 160 mm, 3 11/16"
Brass, Stainless Steel, Steel, Alloy Steel, Nylon, Plastic, Titanium
Ultra-Low-Profile Standard, Standard, Flanged Standard, Flat, Flanged Button
Phillips, Socket, External Square, Slotted, External Hex