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Home /Products/Track Bolts/Grade 8.8 Black Oxide Hex Bolts Hex Screw Bolt 35CrMo No.303-9441 For Caterpillar Excavator

Grade 8.8 Black Oxide Hex Bolts Hex Screw Bolt 35CrMo No.303-9441 For Caterpillar Excavator

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Grade 8.8 Black Oxide Hex Bolts Hex Screw Bolt 35CrMo No.303-9441 For Caterpillar Excavator
Features Gallery Product Description Request A Quote
Features
Specifications
Product Name: Track Bolt
Material: 40Cr /35CrMo
Grade: 12.9
Package: Carton +pallets
Application: Undercarriage Parts
Weight: 0.14kg
Process: Hot Punch, Cold Punch
Highlight:

Grade 8.8 Black Oxide Hex Bolts

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Grade 8.8 Hex Screw Bolt

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35CrMo Black Oxide Hex Bolts
Basic Infomation
Place of Origin: Fujian，China
Brand Name: Doozer
Certification: ISO9001:2000
Model Number: No. 1979674
Payment & Shipping Terms
Packaging Details: Wooden Pallet
Delivery Time: 30 work days
Payment Terms: L/C,T/T,D/A,D/P,Western Union,MoneyGram
Supply Ability: 10000pieces
Product Description
Grade 8.8 Black Oxide Hex Bolts Hex Screw Bolt 35CrMo No.303-9441 For Caterpillar Excavator
Product Specifications
Attribute Value
Product name Track Bolt
Material 40Cr /35CrMo
Grade 12.9
Package Carton + pallets
Application Undercarriage parts
Weight 0.14kg
Process Hot punch, cold punch
Product Overview
Our Grade 8.8 Black Hex Stainless Steel Bolts and Nuts (No. 303-9441) are engineered for Caterpillar excavators, meeting the rigorous demands of construction, mining, and industrial applications. These high-quality replacement parts ensure reliable operation of heavy-duty machinery.
Technical Parameters
Material 40CR, 35CRMO
Grade 10.9, 12.9
Finish Color Grey, Black
Machine Heating forging machine
Warranty One Year / 2000 hours (Normal life 4000 hours)
Packing Standard exported wooden pallet, fumigate seaworthy packing
Key Features
  • Superior Strength: Grade 8.8 steel withstands tensile loads up to 80 kN and yield loads up to 64 kN, ideal for excavator operations.
  • Corrosion Resistance: Black oxide coating and stainless steel material provide excellent protection against rust in harsh environments.
  • Precision Fit: Manufactured to exact Caterpillar specifications for secure connections and minimal wear.
Applications
These bolts are essential for Caterpillar excavator maintenance, including:
  • Attachment points for buckets and excavation tools
  • Undercarriage components (tracks, rollers, idlers)
  • Engine and hydraulic system mounting
Installation & Maintenance
Installation: Always use manufacturer-recommended torque specifications with a torque wrench for proper clamping force.
Maintenance: Regularly inspect for wear, corrosion, or looseness. Clean with appropriate solvent and replace damaged components immediately.
Order Information
Available with competitive pricing, fast shipping (within 30 days), and excellent customer service. Payment options include T/T or L/C at sight. Port of shipment: XIAMEN Port. OEM/ODM services available.
Product Images
Grade 8.8 Black Oxide Hex Bolts Hex Screw Bolt 35CrMo No.303-9441 For Caterpillar Excavator 0 Grade 8.8 Black Oxide Hex Bolts Hex Screw Bolt 35CrMo No.303-9441 For Caterpillar Excavator 1 Grade 8.8 Black Oxide Hex Bolts Hex Screw Bolt 35CrMo No.303-9441 For Caterpillar Excavator 2 Grade 8.8 Black Oxide Hex Bolts Hex Screw Bolt 35CrMo No.303-9441 For Caterpillar Excavator 3
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Tel : +86 15880208980
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doozer@doozergroup.com
+86 15880208980
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