Socket Flat Head Screw, Head Type Flat, System of Measurement Inch, Drive Type Socket, Drive Size 1/20 in, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, Thread Size #1-72, Minimum Thread Length 1/4 in, Fastener Length 1/4 in, Head Height 0.062 in, Head Diameter 0.125 in, Pack Size Small Pack, Thread Style Fully Threaded, Special Features Not Applicable, Countersink Angle 82 Degrees , Dimensional Standards ASME B18.3, Flange Diameter Not Applicable