#6-32 x 1/4" Hex Drive Cup Point Black Oxide Finish Alloy Steel Socket Set Screw / THREAD LENGTH: 0.25 INCHES NOMINAL FASTENER LENGTH: 0.25 INCHES NOMINAL HEAD STYLE: C1 HEXAGON SPECIAL FEATURES: DIAMETER:NO.6, DRIVE SIZE:0.062 INCH, POINT:CUP, THREAD:COARSE, TYPE:SOCKET SET SCREW COLOR: BLACK OVERALL MATERIAL: STEEL OVERALL MATERIAL DOCUMENT AND CLASSIFICATION: ASTM F912 ASSN STD SINGLE MATERIAL RESPONSE OVERALL SURFACE TREATMENT: OXIDE OVERALL