313 in, Tensile Strength 80,000 psi, Head Type Knurled, Maximum Head Height 0.-16, Fastener Length 3 in, Head Width 0.313 in, Head Height 0.313 in, System of Measurement Inch, Drive Slotted, Drive Size 3/64 in, Head Material 18-8 Stainless Steel, Package Quantity 5.