805047021 twelve point head bolt XCMG XE2000 excavator spare parts

XCMG XE2000 Dedicated Dodecagonal Head Bolt | Original Part Number 805047021 | 12.9 Grade Ultra-High Strength | Heavy-Duty Anti-Loosening | Safety Fastening Expert

Every high-strength connection is crucial to the safety of the entire machine! XCMG XE2000 original twelve-head bolts (805047021) are made of 12.9 grade special alloy steel, and undergo precision heat treatment and surface treatment. They are specially designed for critical parts of heavy equipment connections, providing absolutely reliable fastening protection.

Core advantages

1.12.9 grade ultra-high strength – tensile strength reaches 1220MPa, yield strength 1100MPa, far exceeding that of ordinary bolts.
2. Dodecagonal anti-loosening design – A larger wrench contact surface provides more even preload, improving anti-loosening performance by 60%.
3. Dacromet corrosion protection treatment – withstands 1000 hours of salt spray testing, extending service life by 3 times.
4. Precise torque matching – The torque coefficient is consistently maintained between 0.18 and 0.22, ensuring uniform stress on each group of bolts.

Applicable parts

• Engine mount secure
• Track frame connection area
• Slewing bearing installation
• Connection of large structural components

The value of choosing the original manufacturer

✅ Eliminate structural risks
✅ Avoid loose connections
✅ Reduce downtime for maintenance
✅ Extend equipment lifespan

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800169237 start motor bracket XCMG XE2000 excavator spare parts

1 805300217 LOCK NUT
2 805047021 TWELVEPOINT HEAD BOLT
3 800169110 BLIND FLANGE
4 800167050 BOLT
5 860119478 STARTER GASKET

XCMG XE2000 parts # Dodecagonal bolt 805047021 # High strength fasteners # Excavator repair # Genuine bolts