All kinds of bolt and nut for any excavator are suppliable,such as DOOSAN HITACHI KOMATOSU HYUNDAI KOBEL CO  KATO SUMITOMO CAT VOLVO YUCHAI   NANTE SUNWARD SANY.

Advantage/features:

1,Grade: 8.8,10.9,12.9.

2, Specifications: from 1/2-1.1/8 inch & M12-M30.

3, Modle: Caterpillar, Komatsu, Hitachi, Daewoo, Hyundai, Kobelco and other reputed brands.We can also make products according to your drawings, specifications and samples.

4, Production Line And Quality Guarantee: Making use of the cold forge and hot forge technology