Product Attribute:
Thread Size:customizemm
Material:Alloy Steel,40Cr 35# 45# 40CrMo
Tensile stength:customizeMpa
Length:customizemm
Surface treatment:Zinc
Standard:ISO
Grade:8.8 10.9 12.9
Surface:zinc plated black oxide plain
Size:as drawing or original sample
Applicationt: 
audi (A6L, A4L, A4, A1, A8, A5, R8, Q7, Q5, TT, S6, S4, allroad)
BMW (3 Series, 5 Series, 1 Series, 6 Series, 7 Series, X3, X5, Z4)
Chery (Eastar, Cowin, QQ, Tiggo, A5, V5, QQ6)
Mazda (Mazda RX, Mazda 5, RX-8)
Suzuki (ALTO, Lingyang, SWIFT, SX4, LIANA, Jimny, Grand Vitara)
Toyota (Previa, RAV4, Prado, Hiace)
volvo (S40, C30, C70, S80, XC90, XC60)
N
Production Description:
Product: Nonstandard Hub Bolt With Nut(according to customer's drawing) Material: 40Cr Grade: 8/ 8. 8, 10/ 10. 9, 12/ 12. 9 Surface treatment: Black, Yellow/ White zinc plated
The bolts hardness are very good! Hardness material resists hard objects that the ability of its surface. It is an important performance index of metal materials. General hardness higher resistance, the better..