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Sell 40Cr 12.9 grade high strength Track bolt and nut
Sell 40Cr 12.9 grade high strength Track bolt and nut
Supplier Info
[China Supplier]
Contact Person : Ms. Sun Sunny
Tel : 86-592-5889471,5889473,5889475
Fax : 86-592-5889476
Product Detail
Bolt nuts for track shoes;segment ;plow bolts; Class 12.9 high tensile bolts for bulldozers, crawler loaders

1.Products imformation

The mechanical grade is 12.9

Case hardening HRC 38-42

Material is 40CR

and the 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.

the specification can be customized.

2.Design / Structure / Details Pics

Bolt drawing:

Products show:

3.Advantages / Features:

1). Materials:

Our company has  purchased steel from several large steel groups , such as Hangzhou Steel Mill, Shanghai Bashan Steel Mill, Beijing Shrugging Steel Mill whose steel have good mechanical properties and stability of chemical component. it keep the bolt to be of high strength

2). Manufacture Procession

First, we have our own High-precision Digital Machining center for mould making in special Mould Workshop, excellent mould make product beautiful appearance  and its size accurately.

The second, we adopt blasting procession, removing Oxidation surface , make the  surface to be bright and clean and uniform and beautiful.

The third, in heat treatment: We use the Controlled-atmosphere Automatic heat treatment Furnace, we also have four mesh belt convey furnaces, Can deal with the products in different sizes keeping the non-oxidation surface

3). The all process quality control:

  The quality control is strictly performed from buying raw materials in warehouse to different machining procession and to final packing. We have Magnetic Powder Detector, Material Testing Machine,  Metallographic Microscope, such testing instruments, guarantee product high quality and beautiful appearance.

4). Our production capacity

Single bolts, every month can produce 1.7 million bolts. Now we buy a Full Automatic Cool-forging Machine. this greatly enhances our production capacity with more quality and more beautiful appearance.

Workshop Products

4.Factory View

   

5.Certificates

There are more Bolt & Nut model as follow:

12B5484+7K1706D2,933C
2093-0251+093-0316D3,D4,931,933
38H7504+6S3419DH028/S50/S55/R450/R500
4TB9/16*1 3/4 
54K7038+7K2017D3,D4,D4D,931,933,941,215
67H3596+7K2017931,933,941
7TB5/8*1 15/16R130LC
87H3597+1M1408D4,D5,D5H,D6,D7,953,955,977,561,
9TB5/8*2 3/32R210
109G3110+1M1408225,941,951C,951B
11SH8756225,941,951B
121S1859+1S1860D6,D7,D7H,D8,D6H
13144-32-11211D60AEPPLS-6
14207-32-11310D60AEPPLS-7
15150-32-21321D65AEPS-6
16154-32-21320D65AEPPLS-7
177H3598+1S1860235,571,572,583
186V1792+1S1860955,963,973,977
191S8804/154-32-11210D80A-8

Sell 40Cr 12.9 grade high strength Track bolt and nut

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