Machine, Self Drilling Screws, Socket Screw, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
3/8"-16, 3/8 in, 5/16 in, 5/16"-24, 1/4 in, 1/4"-28, 1/4 in, 1/4"-20, 3/4"-10, 3/4 in
1 9/16", 45 mm, 55 mm, 80 mm, 3 11/16"
Steel, Steel, Alloy Steel, Titanium, Stainless Steel, Nylon, Plastic
Flat, Button, Ultra-Low-Profile Standard, Standard, Flanged Button
Hex Socket, Socket, External Square, Slotted, External Hex