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Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
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DHD340-121 Drill Hammer Bit , Hard Carbide Steel Top Hammer Drill Bits

Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
City: Jinzhou
Province/State: Liaoning
Country/Region: China
Tel: 86-731-85853289
Contact Person:Ms Spring Huang

DHD340-121 Drill Hammer Bit , Hard Carbide Steel Top Hammer Drill Bits

Brand Name : Tianhe
Model Number : DHD340-121 drill bit
Certification : ISO9001
Place of Origin : HUNAN CHANGSHA
MOQ : 1
Price : Negotiation
Supply Ability : 5000pcs/month
Delivery Time : Shipped in 25 days after payment
Packaging Details : dth bits are packed by Woodens outer side, and Cartons inner side.
Rock drilling tools : DTH drill bit
Material : Carbide
Processing type : Forging
Color : Glod(as you need)
Use : blasting,mining,tunneling project
Samples : Avaliable
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Gold flat spherical DTH drilling tools of DHD340-121 drill bits.


Features:


1. applicable hard,very hard and medium soft rock formations.

2. Reliable quality, long service life, rare abnormal breakage during service life.

3. Good flushing effect to ensure high drilling rate

4. Strict quality warranty and compensation rules




General Introduction

Bit Face Shape Selection:


1. Drop Center Bit


For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.


2. Concave Face


The all-around application bit face specifically for medium hard and homogeneous rock formations.


Good hole deviation control and good flushing capacity.


3. Convex Face


For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce theload and wear on the gauge buttons, but poor hole deviation control.


4. Flat Face Bit


This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.


Carbide Button Shape Sele


1. Semi-Ballistic Buttons


2. Ballistic Button


3. Spherical Button


4. Two-step Button



Product Tags:

rock drill bits

      

rock drilling tools

      
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DHD340-121 Drill Hammer Bit , Hard Carbide Steel Top Hammer Drill Bits Images

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