Socket Screw, Machine, Self Drilling Screws, Flat Head Screw, External Hex
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
1/2"-20, 1/2 in, 1/4 in, 1/4"-28, 9/16"-12, 9/16 in, 1/4"-20, 1/4 in, 5/16 in, 5/16"-24
5/16", 60 mm, 4 7/16", 25 mm, 130 mm
PEEK, Plastic, Nylon, Plastic, Titanium, Steel, Alloy Steel, Steel
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flat, Flanged Button
Hex, Phillips, Slotted, External Square, Socket