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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
Plow Bolts