Jeely automobile Flywheel Bolt

Typical Clients:  

Jeely automobile

Production Description:

Product Name: flywheel bolt
Product Information:

specification:                 M10×1.25×18
surface treatment:         oiled after shot blasting
mechanical property :   ISO 898.1-12.9
material :           SCM440 JIS G4053

production process:
1.one of the key part of engine, once molding by cold heading, verticality should be controlled within 0.08mm,

2.100% detected by eddy current testing machine . Shot blasting is adopted to wipe off the surface oxide skin, release the surface stress, no hydrogen brittleness, product can achieve good performance.

3.Hydrogen cleaning technology is adopted to clean the product surface after oil-plating, cleanness can achieve advance world standard.



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