engine stud bolts
1. Material: carbon steel
2. Certificate: ISO9001:2008
3. High quality with nice price

engine stud bolts 

Specification:

1. Standard or non-standard hexagon bolts

2. Material:  carbon steel 35#, 45#

3. Surface:  Blue-white, Black, etc.

4. Packing: bulk, box packing, polybag

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