1/4"-28 Flat Head Socket Cap screws. These are countersunk screws that are made from Alloy Steel with Thermal Black Oxide coating.
Diameter : 1/4"
Thread Size : 28 TPI - Fine Thread
Length : Please select from drop down menu above.
Type : Flat Head Socket Cap Screw
System of Measurement : U.S. / Inch
Material : Alloy Steel with Thermal Black Oxide
Specifications : ASTM F835 82° Head (Standard)