Architectural Sex Bolt Finish Plain Material 18-8 Stainless Steel Barrel Head Style Flat Barrel Drive Type Internal Hex Thread Size 1/2 In.-13 Barrel Length 1 in Barrel Diameter 5/8 in Barrel Thread Depth 5/8 in Barrel Drive Size 3/8 in Barrel Head Diameter 1 in Barrel Head Height 1/4 in Dimensional Standards AMPG 2000 SB.07 Grip Size 3/4 in Made in North America Yes Material Quality Standards ASTM A582 Pack Size Small