Socket Screw, Self Drilling Screws, Machine, Flat Head Screw, External Hex
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
1/4"-20, 1/4 in, 3/8 in, 3/8"-24, 1/4 in, 1/4"-28, 1/4 in, 1/4"-20, 5/16 in, 5/16"-24
60 mm, 85 mm, 70 mm, 1 1/2", 22 mm
Stainless Steel, Steel, Steel, Alloy Steel, Titanium, Nylon, Plastic
Flat, Ultra-Low-Profile Standard, Standard, Button, Flanged Button
Phillips, Hex, Socket, External Square, Slotted