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  • M8×100 Alloy Steel Grade 8.8 Phosphate Coated Cylinder Hex Head Flange Bolts
  • M8×100 Alloy Steel Grade 8.8 Phosphate Coated Cylinder Hex Head Flange Bolts

M8×100 Alloy Steel Grade 8.8 Phosphate Coated Cylinder Hex Head Flange Bolts

M8×100 Alloy Steel Grade 8.8 Phosphate Coated Cylinder Hex Head Flange Bolts are engineered for demanding engine assembly applications where reliable torque retention and chemical compatibility with engine lubricants are essential. 
The phosphate coating creates a micro-porous surface that retains oil and assembly lubricants, reducing friction during torque-to-yield installation and ensuring consistent preload distribution across all fastener positions on the cylinder head.

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    • Specifications
    • Product Details
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    Product Name Hex Flange Bolt/Cylinder head bolt
    Specification: Measurement System: Metric/ Imperial System
    Grade: 10.9/12.9/Gr 8/ASTM A193/140000psi
    Material: Alloy steel
    thread type: M24; M22;1-14 UNS, etc.
    Length: 100-300mm
    Surface: Black oxide/ Phosphate
    Optional material: SCM435/42CrMo, etc.
    Standard: Customization
    Customization: OEM/ODM Accepted
    Applicatioon: General Industry/ Heavy Industry
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