Machine, Self Drilling Screws, Socket Screw, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
1/4"-20, 1/4 in, 3/4"-10, 3/4 in, M5, M5-0.80, 5/16 in, 5/16"-24, 1/4 in, 1/4"-28
70 mm, 55 mm, 100 mm, 3 11/16", 200 mm
Steel, Stainless Steel, Nylon, Plastic, Titanium, Steel, Alloy Steel
Ultra-Low-Profile Standard, Low-Profile Standard, Flanged Standard, Flat, Flanged Button
Phillips, Socket, External Square, Slotted, External Hex