1. Product details

1> Material: 40Cr, 20Cr, 20#

2> Case Hardening: HRC50-54 and HRC45-48

3)> Surface Treatment: Bluing, Phosphorization

4)> Depth: Pin (3-5mm), bushing (2.5-3mm)

2. Quality Control

1> Raw Material Suppliers: China four biggest reliable Iron & steel group companies SHOUGANG, BAOGANG, ANGANG and WUGANG

2> Quality Control: choose the best raw material by spectrometer and strictly control the surface qualities and inner hardness and metallo-graphic structure

3> Process: Cold heading and hot forging

4> Surface is treated with bluing, screw thread has two type descriptions, and one is the metric system: M12-M24-6g, another one is denominator system: 1/2-1/4--2A

3. Used model

1> Available machine model: excavator, bulldozer, pushdozer, etc., Caterpillar, Komatsu, Hitachi, Daewoo, Hyundai, Kobelco and other reputed brands, or according to your drawings, specifications samples.

2> Available: Wetland and non-wetland

Exhibition

Do not hesitate to contact us if you are interested in any items of above-mentioned goods!

Contact: Peter Gao   

TEL: 0086-20-82371942

SKYPE: peter.gao2013