Binding Screw Finish Plain Material 316 Stainless Steel Screw Head Style Low Profile Screw Drive Style Socket Thread Size 5/8 In.-11 Screw Minimum Thread Length 1/2 in Barrel Head Style Flat Barrel Drive Size 3/8 in Barrel Head Diameter 1 1/2 in Barrel Head Height 1/8 in Dimensional Standards AMPG 2000 SB.09 Made in North America Yes Material Quality Standards ASTM A276 Pack Size Small