core drill bits for oil well driller and scraper driller

tungsten carbide mine using machine part,drill machine parts:

Products feature:

Our cemented carbide inserts for road milling machine have good wear-resistant and a longer service life.

1. Our inserts for coal geology drill machine are using special tungsten carbide as raw material, 

its strength  ≥2800N, and hardness(HRA) ≥92. 

2.The work efficiency of this coal drill machine using tungsten carbide inserts are higher than others.

3. This coal drill using inserts: 

 foundation,washer, and discharge groove are reasonable designed, so that the inserts are well protected. our cemented carbide inserts have good wear-resist.

Application:

our tungsten carbide inserts for coal drilling machine is widely using in coal geology drilling. 

Grade, properties and recommended applications of conventional cemented carbide for mining inserts: 

Application:

our bore is widely using in mines, tunnels, quarries and other bore tips and drill tips needed exploitation projects

mine production equipment and producing process:

As the only high tech enterprise who reaches grade A of GB Advanced Cemented Carbide in China, Zhuzhou Jingzuan Carbide Co., Ltd concentrate on R&D, producing and selling mining drills.

With high-hardness cemented carbide mold core, high-precision equipment and seven levels quality test system, our milling bits have the advantage in service life over any other products alike, and were praised as the Tough guy of mining buttons and Bane of granite.

We are the gold supplier of Hunan coal group, Shuikoushan Mining Administration, Wuhai coal group, Tsitsihar Haitong Group ,Guangxi Debao Copper mine. 

We enjoy the good reputation in domestic market as well as Southeast Asia markets,America market, and will do better.

our advantages:

Our products are exported to Southeast Asia and the Americas and enjoy a high popularity in those markets.

contact:

        Ms Bigel Wu

   Tel: 86 731 2826 3536     

   Mob: 86 152 7331 5755     

   Fax:  86 731 2826 0602 

   Skype:    qincai-wu or carbide-factory 

   Email:  jingzuan (at)

    Miss Bigel At Your Service!