Grade8.8 -12.9, Tensile Strength 120.000-170.000P. S. L, Hardness HRC32-42

Professional manufacturer for plow bolts and nuts production, wide range on these parts as listed, whilst mechanical properties can be made as yout demand like Grade 10.9 or Grade 12.9 or other nominated material.

Anyway, We always supply our customers in grade 10.9 and 12.9 on these plow bolts with corresponding nuts in grade 10.

Mechanical  Properties  as  below:
                 Tensile  Strength              Hardness
Grade8.8       120.000P.S.L(85.0 Kg/mm2)         HRC32-36
Grade10.9      150.000 P.S.L(105.0 Kg/mm2)       HRC36-42
Grade12.9      170.000 P.S.L(120.0 Kg/mm2)       HRC36-42