Socket Screw, Machine, Grub Screw, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M2x0.4, M10x1.25, M20x2.5, M16x2, M2.5x0.45
55 mm, 22 mm, 3 11/16", 2 7/8", 85 mm
Steel, Brass, Steel, Alloy Steel, Titanium, Nylon, Plastic
Low-Profile Standard, Standard, Flat, Flanged Standard, Flanged Button
Phillips, Torx, External Square, Slotted, Socket