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MK6 Cemented carbide shield machine cutter 90.5 HRA ISO9001 2008

Good quality Tungsten Carbide Strips for sales
Good quality Tungsten Carbide Strips for sales
Made a visit to the factory last year. It was a very nice trip and ZHUZHOU is a quiet,confortable city .Thanks for your entertainment.

—— Claudine from Brasil

20 days to receive the products,Great factory and DHL !

—— Pawan Kumar from Pakistan

Very good quality ,It’s a surprise for me to get them with this price.

—— James Gray from USA

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MK6 Cemented carbide shield machine cutter 90.5 HRA ISO9001 2008

China MK6 Cemented carbide shield machine cutter 90.5 HRA ISO9001 2008 supplier

Large Image :  MK6 Cemented carbide shield machine cutter 90.5 HRA ISO9001 2008

Product Details:

Place of Origin: Zhuzhou Hunan China
Brand Name: none
Certification: ISO9001:2008 ISO9001:14001
Model Number: many

Payment & Shipping Terms:

Minimum Order Quantity: 5KG
Packaging Details: Packed in carton firstly, and then reinforced with wooden or paper case for outer packing
Delivery Time: 2-3 weeks
Supply Ability: 30Tons/month
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Detailed Product Description
Product Name: Shield Cutter Material: WC+Co
Surface: Unground Or Ground Grade: YG8C, YG11C, YG13C YG15C
Grain Size: Coarse Type: OEM&ODM

MK6 Cemented carbide shield machine cutter 90.5 HRA ISO9001 2008




A tunnel boring machine (TBM) is a machine used to excavate tunnels with a circular cross section through

a variety of soil and rock strata.  There have a very big circle blade in the front of tunnel boring machine

 equipped with various kinds of cutters, in order to promote stable and longer lasting life of application, 

we have research and developed special tungsten carbide materials suited to your application.

The TBM technology is mainly used in underground ming and traffic tunnelling like metro, railway and 

road tunneling.



Grade and Applications:

Other grades may be offered by customers' requirements

Grade Density T.R.S Hardness  Performance & application recommended
g/cm3 MPα HRA
MK4 15.1 1800 90

Mainly used as small buttons for percussion bits to cut soft and medium

hard formations.

MK6 14.9 2000 90.5

For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits

and scraping knife bits, usd in geological prospecting, coal mining and

oil well boring.

MK8 14.7 2400 89.7

For coring crowns, electric coal drill bits, coal cutting picks, cone drill bits

and scraping knife bits, used in geological prospecting, coal mining and

oil well boring.

MK10 14.7 2450 88.5

Mostly used as the buttons of small and mediumsized percussion bits and

as the inserts of rotary prospecting bits to cut soft and medium hard


MK15 14.6 2450 87.8

Suitable to strips, conical buttons for rotary percussion-resistant,

geological prospecting buttons, cut soft and medium hard


MK20 14.4 2550 87

Primarily for the buttons and inserts of rotary percussion bits to cut

medium-hard and hard formations.

MK25 14.5 2600 87.5

Primarily for the buttons and inserts of rotary percussion bits to cut

medium hard and very hard formations.

MK30 14.4 2600 87

Largely for the inserts and buttons of percussion bits and tricone bits

 to cut medium-hard, hard, and very hard formations.

MK40 14.2 2650 86.5

Predominatly for the buttons of tricone bits and inserts of rotary

 percussion bits to cut hard and vey hard formations.

MK50 14 2700 86 For oil cone drill bits, for medium soft and medium -hard rocks.
MK60 14 2500 87

Good strength and less wear resistance, for bits of rotary hammer rock

 drills and heavy rock drills, for hard and very hard rocks.


Competitive Advantage:


1. Expertise in tungsten carbide for 15 years, we can assit you in choosing the optimum grade for your job.

2. We produce only with advanced tungsten carbide material to ensure high level of quality

3.You're guarranteed to find the right one for your application with various grade and types available

4.All our product are in-house made under strict quality controlled conditions.

MK6 Cemented carbide shield machine cutter 90.5 HRA ISO9001 2008

1. All raw materials are tested in terms of density, hardness and T.R.S before use.

2. Every piece of product goes through in-process and final inspection.

3. Every batch of product can be traced.

4. 100% of our products pass final inspection before being put on the market.


MK6 Cemented carbide shield machine cutter 90.5 HRA ISO9001 2008

Contact Details
Zhuzhou Mingri Cemented Carbide Co., Ltd.

Contact Person: Linda

Tel: +8615886314519

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