Machine Screw Head Type Flat Material 316 Stainless Steel Finish Plain Drive Phillips Thread Size 1/4 In.-20 Fastener Length 1 11/32 in Head Width 0.477 in Head Height 0.153 in Drive Size #3 Pack Size Bulk Type Standard Machine Screw Washer Thickness - System of Measurement Inch Thread Type Coarse Package Quantity 1500