12.9 Grade 40Cr Plow Bolt and Nut 4J9208/2J3507 for Excavator Spare Parts
1. Our Features
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Through professional
quench-tempering processes to guarantee excellent mechanical properties, high
strength and superior wear resistance to avoid bending and breakage.
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100%
quality assurance, develop and manufacture follow or even exceed original
ones.35
years' experience in Excavator & Bulldozer spare parts manufacturing.
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Our quality control is strictly performed from sourcing raw
materials and different machining procession to final packing.
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We can produce any requested parts according to your blue
print or samples.
2. Structure and Main Dimensions
3. Quality Detection
Metallic Phase Diagram
Surface: tempered sorbite and little free ferrite Grade 2.
Inner: tempered sorbite and little free ferrite Grade 2.
4. Our Advantages
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World-class quality
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Factory sale directly with reasonable price
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Custom-made products are available
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35 years' experience in Excavator & Bulldozer spare parts manufacturing
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Flexible payment terms including T/T,L/C and so on
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Fast delivery within 30 days after contract established
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Professional sales team,quality inspection and report, maritime logistics guidance
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After-sale services:video technical support, 24h online support
5. Positive Customers Feedback