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Hunan New Diamond Construction Machinery Co., Ltd.
Hunan New Diamond Construction Machinery Co., Ltd.
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Alloy Steel Hole Opener Drilling

Hunan New Diamond Construction Machinery Co., Ltd.
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Alloy Steel Hole Opener Drilling

Brand Name : New Diamond
Model Number : R32 Thread Opener Bits
Certification : ISO9001:2008
Place of Origin : Hunan, China (Mainland)
MOQ : Negotiable
Price : Negotiable
Payment Terms : T/T, L/C, Western Union
Supply Ability : According to order quantity
Delivery Time : 5-8 work days
Packaging Details : Carton packaging and wooden box packing
Type : Drill Bit
Machine Type : Drilling Tool
Material : Carbide
body material : special steel
Processing Type : Forging
usage : drifting and tunneling machine
Use : Coal Mining
corlor : customer demand
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new diamond DTH hole openers can provide hole enlargement for various down-the-hole hammer drilling application needs, reasons ranging from drilling rig and equipment capabilities to worksite condition and job specifications. In addition, new diamond hole openers are available in several different designs,each of which can be best suited to certain applications. This tool is commonly utilized for industrial uses to create very large diameter holes.

new diamond uses only the optimal steel in producing its’ hole openers too,which will give you hour after hour of trouble-free drilling, and with them you will always know that it was produced with the quality you have come to expectfor.

In addition, new diamond is also able to work with you to design a new hole opener bit to maximize performance in the ground conditions you are faced with on your job if necessary.


It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.


diam(mm)D1Guide hole diameter(mm)D2Thread T

Feature Advantage

22 years of professional R & D and production

1.Factory direct marketing: minimizing costs

2.quality assurance: professional heat treatment technology, high wear resistance.

3.inventory guarantee: stable inventory, product specifications, models rich.

4.after sales guarantee: after sales service system at night, rest assured.

The appearance of the picture is different from that of the actual product, and the actual product is the standard.

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hole opener drilling


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