Architectural Sex Bolt Material 18-8 Stainless Steel Barrel Head Style Truss Screw Head Style Flat Thread Size #12-24 Barrel Length 1 3/16 in Barrel Diameter 5/16 in Barrel Thread Depth 3/4 in Barrel Drive Type No Drive Screw Drive Style Phillips Finish Plain Barrel Head Diameter 0.5 in Barrel Head Height 1/8 in Dimensional Standards AMPG 2000 SB.01 Grip Size 1 3/16 in Includes 82 Degree Screw Made in North America Yes Material Quality Standards ASTM A582 Pack Size Small