Socket Screw, Machine, Self Drilling Screws, Flat Head Screw
Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
1/4"-20, 1/4 in, 7/8"-9, 7/8 in, 9/16"-12, 9/16 in, 1/2"-13, 1/2 in, 3/8"-16, 3/8 in
3 7/8", 40 mm, 85 mm, 3 11/16", 2 7/8"
PEEK, Plastic, Stainless Steel, Titanium, Nylon, Plastic, Steel, Alloy Steel
Ultra-Low-Profile Standard, Standard, Button, Flanged Standard, Flanged Button
Phillips, Socket, External Square, Slotted, External Hex