#4-40 TPI, 5/16" L, 1/4" Width Across Flat, Passivated, Stainless Steel, Hex, Male/Female Threaded, Standoff Standoff Item Standoff Type Hex, Male/Female Threaded Designated Size #4-40 TPI Overall Size 5/16 Inch Length Material ASTM A582 Stainless Steel...