Architectural Sex Bolt Finish Plain Material 18-8 Stainless Steel Barrel Head Style Hex Barrel Drive Type External Hex Thread Size 1/4 In.-20 Barrel Length 1 in Barrel Diameter 3/8 in Barrel Thread Depth 3/8 in Barrel Drive Size 5/8 in Barrel Head Diameter 5/8 in Barrel Head Height 13/64 in Dimensional Standards AMPG 2000 SB.15 Grip Size 1 in Made in North America Yes Material Quality Standards ASTM A582 Pack Size Small Package Quantity 2