1. Mechanical Grade 12.9/10.9/8.8 2. ISO9001-2000 3. HRC 38-42 4. Customer-made acceptable

Square Nut for Track Shoe Bolt/ Plow Bolt 

1.Mechanical Grade is 12.9,

2.Case Hardening is HRC 38-42,

3.High Technology, Professional Production

4.Top Quality, Good Price, Quick Delivery

5.Products can be Customized

6.The surface is treated with bluing/Carburizing/Phosphatizing

7.Mechanized production allows big order with high quality

All the specification can be customized.

Material	Stainless steel, carbon steel ,copper
Surface Treatment	Bluing, Phosphorization, according to your requirement
Used Fields	Construction industry —excavator, bulldozer, pushdozer, etc. —Hitachi, CAT (Caterpillar), Komatsu, Daewoo, Mitsubishi, etc.
Used Condition	Wetland and non-wetland available

 The Workshops

The Certifiacte