Socket Screw, Countersunk, Grub Screw, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M1.6x0.35, M2.5x0.45, M5x0.8, #8-32, M20x2.5
1/2", 22 mm, 20 mm, 2 3/4", 8 mm
Brass, Steel, Titanium, Steel, Alloy Steel, Nylon, Plastic
Flat, Flanged Standard, Standard, Ultra-Low-Profile Standard, Low-Profile Standard
Phillips, Torx, Slotted, External Square, Socket