sprocket : reasonable hardness distribution curve, high hardness ,good wear-resistant and long use-life

 sprocket

1.material: alloy steel ,Mn steel

2.adaption for excavator

3.MOQ:20PCS

4.ppackage: wooden pllaet or as request

5.offer us the exact model and part no.

we are specilized in manufacturing and exporting excavator and other construction machinery parts  adaption of Komatsu, Hitachi,Caterpiller etc.

Sell High Quality Komatsu PC450 Excavator part sprocket