Hex Nut: 1 1/4"-3 1/2 Thread, 2 in Hex Wd, 1 1/4 in Hex Ht, Steel, Grade 2, Black Oxide, 5 PKHex Nut: 1 1 4" 3 1 2 Thread, 2 in Hex Wd, 1 1 4 in Hex Ht, Steel, Grade 2, Black Oxide, 5 PK tem 5VJV6 Mfr. Model 300907G Standard hex nuts screw onto male threaded parts in non locking applications. They are the most common type of nut and are used in the general assembly of components. Brand APPROVED VENDOR Hex Type Standard Hex Finish Black Oxide Material Grade ClassGrade 2 Material Steel System of Measurement Inch Thread Size 1 1 4" 3 1 2 Hex