Socket Screw, Machine, Self Drilling Screws, Flat Head Screw, External Hex
Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
1/4 in, 1/4"-28, M5, M5-0.80, 1/4 in, 1/4"-20, 5/16 in, 5/16"-24, 7/16"-20, 7/16 in
3 7/8", 45 mm, 5 1/4", 2 1/8", 60 mm
Steel, Alloy Steel, Nylon, Plastic, Titanium, Stainless Steel, Steel
Low-Profile Standard, Ultra-Low-Profile Standard, Button, Standard, Flanged Button
Hex, Phillips, Socket, External Square, Slotted