Socket Screw, Machine, Grub Screw, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Coarse, Metric, Fine, Metric, Inch
#4-40, M10 x 1.50, M2x0.4, M1.6x0.35, M2.5x0.45
4 7/16", 7 1/2", 240 mm, 85 mm, 2 3/4"
Brass, Steel, Steel, Alloy Steel, Titanium, Nylon, Plastic
Flat, Low-Profile Standard, Flanged Button, Ultra-Low-Profile Standard, Flanged Standard
Hex, Slot, External Square, Socket, Slotted