Architectural Sex Bolt Finish Plain Material 18-8 Stainless Steel Screw Head Style Flat Screw Drive Style Socket Thread Size 1/4 In.-20 Screw Minimum Thread Length 7/16 in Barrel Head Style Flat Barrel Drive Size 7/32 in Dimensional Standards AMPG 2000 SB.07 Made in North America Yes Material Quality Standards ASTM A582 Pack Size Small Resistance Properties Corrosion-Resistant