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With many years for produce coal cutting tools,coal pick,coal mining bit,drilling coal bit, sleeve, holder, conical bit etc. 
 

High-efficiency, and its useful life is 6 times up more than carbide picks. Mainly used for coal mining and rock drilling.

Introduction

Shandong Silverstone has developed a new kind of PDC pick, and it has got several patents. The tip of this kind of pick uses PDC insert instead of CARBIDE insert. Around the tip, the pick has CARBIDE inserts to make the gauge protection.

This kind of PDC pick has excellent wear-ability and gauge protection, and it has a long useful life. Usually, its useful life is 6 times up than the CARBIDE pick. This kind of pick can reduce the replacing frequency, improve the development efficiency, and it can be widely used for mining.

Testing

We use the pick of U135 to test the development machine EBZ200C, the rock strata is limestone(with little quartz), the hardness class is 7~8. After 126 working hours, the useful life of the PDC pick is 6 times up than the CARBIDE pick.  

Size                                     

Silverstone is a manufacturer of PDC & T.C. tools, we can produce the coal picks of U76. U82. U84. U85. U92. U94. U95. U135. U170 and so on, the detail is as follows:

(We can also make the coal picks according to your drawings.)