Architectural Sex Bolt Finish Plain Material 18-8 Stainless Steel Barrel Head Style Flat Barrel Drive Type Internal Hex Thread Size 1/4 In.-20 Barrel Length 3/4 in Barrel Diameter 3/8 in Barrel Thread Depth 3/8 in Barrel Drive Size 7/32 in Barrel Head Diameter 3/4 in Barrel Head Height 15/64 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