Mostly Supply: We always supply our customers in grade 10.9 and grade 12.9 on plow bolts with corresponding nuts in grade 10.
Grade 8.8 120, 000 P. S. I (85.0 Kg/mm2) HRC32~36
Grade 10.9 150, 000 P. S. I (105.0 Kg/mm2) HRC36~42
Grade 12.9 170, 000 P. S. I (120.0 Kg/mm2) HRC36~42
Can identify Caterpillar & Komatsu & Ajax & JCB & BYG part numbers fully.








