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3'' Middle Pressure DTH Drill Bit with Flat Concave Convex Drop Center Bit Face
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3'' Middle Pressure DTH Drill Bit with Flat Concave Convex Drop Center Bit Face

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3'' Middle Pressure DTH Drill Bit with Flat Concave Convex Drop Center Bit Face

 

Introduction

DTH Drill Button Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special “stress relief” processes ensure consistent performance.

 

DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate.   

We can design and manufacture according to customer's requirement of the down the hole bits Diameter,No. air holes,carbide button shape and the face shape.

 

Specification

Drill Bits Bit Dia.(mm) No.Air Holes Gauge Buttons Front Buttons

Weight

(kg)

 Parts No.

COP32

 85 2 6×13 4×12 4.2 COP32-85
90 2 6×14 4×12 4.5 COP32-90
95 2 6×14 4×13 4.7 COP32-95
100 2 6×14 5×12 5.0 COP32-100
105 2 6×14 5×13 5.3 COP32-105

BR3

 85 2 6×13 4×12 3.8 BR3-85
90 2 6×14 4×12 4.0
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Mr. Mr. Jack Cheng
Tel: 86-10-84673566
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Xuanhua Jinke Drilling Machinery Co., Ltd.
Xuanchi Road,Industrial Development Zone,Xuanhua, Beijing, China (Mainland)
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