Product Details

Specifications

K31cemented carbide drill tips for making chisel and cross drill bits
1. high volume manufacturing
2. Reasonable price

Product Description

General information

tungsten carbide button is mainly used as small buttons for percussion bits to cut soft and medium hard formations, used in coal mining oil welll boring, tricon bits and insters of rotary percussion bits to cut very hard fomations.

Advantages of our products:

1. Good toughness

2. Superior wear resistance

3. A comprehensive range of types

Grade & app & type

Grade & application for cemented carbide drill bits

Grade	Density g/cm3	TRS MPa	Hardness HRA	Performance & application recommended
YG4C	15.10	1800	90.0	Mainly used as small buttons for percussion bits to cut soft and medium hard formations.
YG6	14.95	1900	90.5	For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring.
YG8	14.80	2200	89.5	For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring.
YK05	14.95	2500	90.5	Mostly used as the buttons of small and medium sized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium hard formations.
YG8C	14.80	2400	88.5
YK15	14.60	2450	87.6	Suitable to strips, conical buttons for rotary percussion-resistant, geological prospection buttons, cut soft and medium hard formations.
YK20	14.40	2500	86.8	Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations.
YK25	14.40	2550	87.2	Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and very hard formations.
YG11C	14.40	2700	86.5	Largely for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard, and very hard formations.
YG13C	14.2	2850	86.0	Primarily for the buttons of tricone bits and inserts of rotary percussion bits to cut hard and very hard formations.
YG15C	14.0	3000	85.5	For oil cone drill bits, for medium soft and medium-hard rocks.

Types & sizes of K30 for making chisel & cross cemented carbide drill bits

Company Information

Zhuzhou Mingri Cemented Carbide Co., Ltd was established in 2001 with the investment of RMB 40 million. We own up-to-date production line, advanced equipment, and technicians.

We specialize in cold forging die cores, brazed tips, disc cutters, plates and boards, saw tips, round rods, rock drilling bits and buttons, milling tools, geological exploration drill tool, etc.

Our main overseas markets:

1. Europe,UK, North Europe, Russia,

2. Latin America, Brazil, America,

3. South Asia, India, South-east Asia, Japan, Taiwan, etc

Factory introduction

Advantages of our factory are as follows:

1. Focusing on manufacturing tungsten carbide products over 13 years.

2. Specialist manufacturer equipped with advanced processing machines and over160

technicians

3. Over 50 tons/month productivity to assure sustainable supply of products

4. Owing mould workshop to design & produce moulds for nonstandard products, and with

mould stocks over 10 thousand sets for different products.

5. Full ability to accept OEM & ODM orders

6. Stringent quality control and quality consistency.

7. Professional mechanical & chemical inspecting labs to control the quality of raw material and

inspect physical & mechanical properties of finished products.

Certifications

Quality of our products:

1. Mingri has been awarded ISO9001:2008 and ISO14001Environment Management

Certificate

2. Strict quality control system to make sure it can match your needs.

3. We own a factory, products manufactured by ourselves and OEM products available

according to your drawings or samples.

Packaging & Shipping

Packing and delivery:

1. Interior packaging: paper box interior

2. Exterior packaging: carton or wooden case

3. Other packaging upon your request

4. We also have the professional agents shipping our products to the customers.

Our Services

Welcome to have a visit to our factory!

Advantages of services:

1. free technical support online, provide you with expert help

2. fast feedback on your quotation and much better after-sale services

3. cooperating with excellent express delivery companies such as DHL, EMS etc to ensure swift

delivery

4. quality and quantity assured

5. sample or trail order available

6. fluent and comfortable English speaker

Should you be interested in our products, welcome to contact me! You will surely get a satisfactory response with both speaking and writing in fluent English

Tel: +86 731 2277 8508