12.9 High Strength Grade Segment Bolt & Nut OEM Excavator Fastener Parts M12 M14 M16 M18 M20

1. Our Advantages

• Through professional quench-tempering processes to guarantee excellent mechanical properties, high strength and superior wear resistance to avoid bending and breakage.
• 100% quality assurance, develop and manufacture follow or even exceed original ones.
  
• 35 years' experience in Excavator & Bulldozer spare parts manufacturing.

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

• Factory sale directly with reasonable price
• Custom-made products are available
• 35 years' experience in Excavator & Bulldozer spare parts manufacturing
• Flexible payment terms including T/T,L/C and so on
• Fast delivery within 30 days after contract established
• Professional sales team, maritime logistics guidance
• After-sale services:video technical support, 24h online support

5. Hot Sales