Spline Lug Bolts
HONISHEN Mirror-top design is more attractive and prevents rusting.The spline lug bolts are 10.9 grade,and 20mm diameter.The key is 10.9 grade,and passed over 72-hours heat treatment and hydrogen treatment.Not only the hardness reach to HRC38-42,but also it's ductility can be ensured and prevent craze.
A no-compromise design engineered to fit small diameter recesses in new tuner wheels. Spline lug bolts offer a closed-end design, maximum gripping power, more stud engagement and a greater seating surface than socket style lug bolts. In addition they’re 30% lighter in weight. SplineDrive lug bolts take safety, dependability and good looks to the next level.