Socket Screw, Machine, Grub Screw, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
1/4"-28, #2-64, M6x1, 5/16"-32, M10-1.5
5 1/4", 1 1/4", 3 7/8", 5/16", 4 7/16"
Steel, Alloy Steel, Steel, Stainless Steel, Aluminum, Nylon, Plastic
Flanged Button, Flat, Flanged Standard, Low-Profile Standard, Ultra-Low-Profile Standard
Pozidriv, Cross, Phillips, Torx, Socket