Sell high strength 40Cr 12.9 grade Segment bolt

segment bolts: 1.Grade 12.9 segment Bolt 2.HRC 38-42 3.Heat Treament, Phosphating 4.35CrMo/40Cr

Segment bolts:

1.Details:

1. material: 40Cr, 35CrMo

2) mechanical Grade:10.9,12.9 (material is 40Cr); 12.9 (material is 35CrMo)

3) case Hardening: (1) material: 40Cr, HRC of bolts:38-42, nuts: 29-33; (2) material: 35CrMo, HRC of bolts: 39-43

4) surface Treatment: Bluing, Phosphorization

5) products Range: Dia 3/4' 

2. Quality:

1) Material Suppliers:  from reliable sources like Shougang, Hangzhou Iron&steel. etc;

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/hot forging

4) surface is treated with bluing, screw thread has two type description, one is the metric system:M12-M24-6g, another is denominator system:1/2-1/4--2A.

 

All the specification can be customized.

Introduction our company:

                           Quanzhou Minda machinery manufaturing co.. Ltd.  

 production: specialized in manufacturing all kinds and sizes of bearings and bushings, bolts and buts, track chain, track shoes, and other excavator parts.

history: more than 20 years.

certification: passing ISO9001-2000 

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