Architectural Sex Bolt Finish Plain Material 18-8 Stainless Steel Screw Head Style Button Screw Drive Style Socket Thread Size 3/8 In.-16 Screw Minimum Thread Length 1/2 in Barrel Head Style Button Barrel Drive Size 5/16 in Dimensional Standards AMPG 2000 SB.05 Made in North America Yes Material Quality Standards ASTM A582 Pack Size Small Resistance Properties Corrosion-Resistant