Socket Screw, Machine, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
1/4 in, 1/4"-28, 9/16"-12, 9/16 in, 1/2"-13, 1/2 in, 7/8"-9, 7/8 in, 1/4"-20, 1/4 in
1 1/2", 55 mm, 70 mm, 3 11/16", 45 mm
Steel, Alloy Steel, Stainless Steel, Titanium, Nylon, Plastic, Steel
Button, Ultra-Low-Profile Standard, Standard, Flanged Standard, Flanged Button
Phillips, Socket, External Square, Slotted, External Hex