Machine, Self Drilling Screws, Countersunk, Grub Screw, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M20x2.5, 7/8"-9, #6-40, M10 x 1.50, M1.6x0.35
4 7/16", 1/2", 2 3/4", 120 mm, 60 mm
Steel, Brass, Stainless Steel, Titanium, Steel, Alloy Steel
Ultra-Low-Profile Standard, Standard, Flanged Standard, Flat, Low-Profile Standard
Phillips, Torx, Slotted, External Square, Socket