BBI® 314690 Heavy Hex Nut, 2-4-1/2, Medium Carbon Steel, Plain

BBI® Hex Nut, Heavy, Imperial, 2-4-1/2 Thread, Medium Carbon Steel, Plain, Material Grade: 2H ASTM A194/SA194, 3-1/8 in Width Across Flats, UNC Thread, 3-1/8 in Wrench.