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Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
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Gold concave spherical 8 inch DTH drilling tools of DHD380 drill bit 219 mm

Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

Gold concave spherical 8 inch DTH drilling tools of DHD380 drill bit 219 mm

Brand Name : TIANHE

Model Number : DHD380-219

Certification : IS09001

Place of Origin : CHANGSHA,HUNAN

MOQ : 1

Price : Negotiation

Payment Terms : T/T

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.

Color : Glod

Materail : Alloy steel and carbides

Processing Type : Forging

dth bits Matched hammer : DHD360 Hammer

Button shape : Spherical, Ballistic, Semi-ballistic

Bit face shape : Flat, concave, convex, drop center

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1.15 years focus on rock drill bits manufacture.
2.High quality steel.
3.High abrasion resistant cemented carbide.
4.Advanced heat treatment technics.
5.Professional vacuum sintering technique.
6.Factory direct sales with competitive price.
7.Sufficient stock with full types.
8.Perfect after-sales service. Free replacement is provided if there is quality problem with our products.

Gold concave spherical 8 inch DTH drilling tools of DHD380 drill bit 219 mm

ressure Dth Bits

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 Selection:

1. Semi-Ballistic Buttons

2. Ballistic Button

3. Spherical Button

4. Two-step Button

Our Advantages:

We have advanced production equipment & talented researchers & technicians & rich experiences in R & D and production.
We using the best quality raw materials.
We adopting advanced production technology & strict testing procedure.
We passed ISO9001 quality management system certification.
We accept OEM manufacturing and produce on your design.

Raw Material

Steel:

first class special alloy steel with high strength, heat resistance and wearable


Carbide
The best tungsten carbides from China are commonly applied.
Tungsten carbide from European is also available.

Specification

1.Steel Carbide
2.12 years experience
3.Can match to the original bit shank
4.Atlas quality

Gold concave spherical 8 inch DTH drilling tools of DHD380 drill bit 219 mm


Product Tags:

rock drilling tools

      

rock hammer drill bits

      
Quality Gold concave spherical 8 inch DTH drilling tools of DHD380 drill bit 219 mm for sale

Gold concave spherical 8 inch DTH drilling tools of DHD380 drill bit 219 mm Images

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