The Sinotruk Hexagon Flange Bolt MQ6-03215-8304 is an OEM-specification fastener engineered for critical joints in Sinotruk engines and chassis systems. Featuring a flange design for even load distribution, it prevents loosening under vibration and extreme torque.
Technical Specifications:
Material: Grade 10.9 alloy steel (zinc-plated corrosion resistance)
Thread Size: M12 × 1.25mm
Length: 40mm
Head Type: Hexagon flange with integrated washer
Torque Capacity: 90-110 Nm
Compatibility: Sinotruk Howo/T7/C7H models requiring bolt code MQ6-03215-8304
Certification: ISO 898-1, DIN 6921 compliant
Installation Notes:
Clean threaded holes to remove debris.
Apply medium-strength thread locker (e.g., Loctite 243) for vibration resistance.
Tighten in crisscross pattern to specified torque using calibrated wrench.
Re-torque after 500km of operation.
