Socket Screw, Machine, Grub Screw, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Metric, Coarse, Metric, Fine, Inch
M1.6x0.35, 7/16"-14, M5x0.8, 1/4"-20, M10 x 1.50
3 1/8", 20 mm, 85 mm, 1 11/16", 5/16"
Steel, Steel, Alloy Steel, Titanium, Nylon, Plastic, Stainless Steel
Flanged Standard, Standard, Low-Profile Standard, Ultra-Low-Profile Standard, Flanged Button
Cross, Hex, Socket, External Square, Slotted