GRAINGER APPROVED . Z4945SS

Binding Post and Screw, Finish Plain, Material 18-8 Stainless Steel, Screw Head Style Truss, Screw Drive Style Tamper-Resistant Torx, Thread Size 1/2 In.-13, Screw Minimum Thread Length 3/4 in, Barrel Head Style Truss, Barrel Head Diameter 1 in, Barrel Head Height 5/16 in, Made in North America Yes, Material Quality Standards ASTM A582, Pack Size Small, Resistance Properties Acid-Resistant, Chemical-Resistant, Corrosion-Resistant