Architectural Sex Bolt Finish Plain Material 18-8 Stainless Steel Barrel Head Style Button Barrel Drive Type Internal Hex Thread Size 3/8 In.-16 Barrel Length 3 in Barrel Diameter 1/2 in Barrel Thread Depth 3/8 in Barrel Drive Size 5/16 in Barrel Head Diameter 7/8 in Barrel Head Height 1/4 in Dimensional Standards AMPG 2000 SB.05 Grip Size 3 in Made in North America Yes Material Quality Standards ASTM A582 Pack Size Small