Socket Screw, Grub Screw, Machine, Self Drilling Screws, Flat Head Screw
Metric, Imperial, Metric, Coarse, Metric, Fine, Inch
5/16"-18, 1/4"-20, M16x2, M10 x 1.50, M1.6x0.35
1/2", 130 mm, 40 mm, 18 mm, 3 11/16"
Steel, Alloy Steel, Brass, Nylon, Plastic, Stainless Steel, Titanium
Ultra-Low-Profile Standard, Flanged Button, Standard, Low-Profile Standard, Flanged Standard
Phillips, Slot, External Square, Slotted, Socket