Hex Lug Bolts
We provide our customers with detailed information on each bolt type including measurements and offer several types of wheel bolts including conical seat type bolts, ball seat type bolts, and PCD wobble bolts. Our lug bolts come in a variety of colors and finishes for something that looks great on every automobile.All of our hex lug bolts are 10.9 grade,also we can produce 12.9 grade.
The difference between grade 10.9 and grade 12.9
Thread |
GRADE | Rockwell hardness | Minimum tension load | Guarantee load | Minimum tensile strength |
M12x1.25 | 10.9 GRADE | HRC32-39 | ≥95.8KN | ≥76.4KN | ≥1040Mpa |
12.9 GRADE | HRC39-44 | ≥112KN | ≥89.3KN | ≥1220Mpa | |
M12x1.50 | 10.9 GRADE | HRC32-39 | ≥91.6KN | ≥73.1KN | ≥1040Mpa |
12.9 GRADE | HRC39-44 | ≥107KN | ≥85.5KN | ≥1220Mpa | |
M14x1.50 | 10.9 GRADE | HRC32-39 | ≥130KN | ≥104KN | ≥1040Mpa |
12.9 GRADE | HRC39-44 | ≥152KN | ≥121KN | ≥1220Mpa |