Nut; AutoGrade ™; 6 Point Castellated; 1/2 Inch-20 Thread Size/ 9/16 Inch - 18 Thread Size/ 5/8 Inch - 18 Thread Size/ 7/16 Inch - 20 Thread Size; Zinc; Pack of 4These nuts are manufactured using durable materials and corrosion tested to ensure required strength and longevity.
Type: 6 Point Castellated
Thread Size: 1/2 Inch-20, 9/16 Inch-18, 5/8 Inch-18, 7/16 Inch-20
Socket Size: OEM
Tensile Strength: OEM
Finish: OEM
Color: Silver
Material: Zinc
Quantity: Pack Of 4