Socket Set Screw Head Type Square Point Type Cup System of Measurement Inch Thread Size 1/4 In.-20 Overall Length 1 1/4 in Drive Type External Square Drive Size 1/4 in Material Stainless Steel Material Grade/Class 18-8 Finish Plain Pack Size Small Pack Decimal Equivalent 0.25 in Dimensional Standards ASME B18.3 Head Width - Package Quantity 10