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5 1/8 Inch 130mm DHD340 drill Bits with Guage 8*16mm Center 8*14mm for hard rock

Changsha Chaojingang machinery manufacturing CO., Ltd

5 1/8 Inch 130mm DHD340 drill Bits with Guage 8*16mm Center 8*14mm for hard rock

Brand Name : Super Diamond

Model Number : DHD340

Certification : ISO9001:2018

Place of Origin : China

MOQ : 1 piece

Price : Negotiate

Payment Terms : T/T, L/C, Westem Union

Supply Ability : According to order quantity

Delivery Time : About 10-25days

Packaging Details : Carton packaging and wooden box packing

Material : Superior Alloy Steel

Application : Water Well Drilling Or Mining

Advatage : High Performance And Long Service Life

Color : Gold Or You Wanted

Head Shape : Flat Face Bit/Concave Face/Convex Face

Spline Key Number : 8 Splines

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5 1/8 Inch 130mm DHD340 drill Bits with Guage 8*16mm Center 8*14mm for hard rock


DTH bits face desigh and selection:



Description


1. Rapid drilling speed, bit body wearless;

2. Advanced heat treatment process, ensure the drilling life longer than similar products in the market.

3. DHD, MISSION, SD, QL, NUMA,different series of products, it can meet needs of different working conditions.


Applications


Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole,mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, Well bore and other fields.


Specification

Bit Dia.(mm)

Qty.× Button Dia.(mm)

Qty.Flushing holes

Weight

(kg)

mm

inch

Outer

Front

130

5 1/8''

8×Φ16

8×Φ14

2×Φ18

9.9



Face shape Features

Concave Face

1. Capable of drilling straighter holes in medium to hard rock which is broken or less consolidated

2. Offers high penetration rate in the above stated rock conditions

3. Has excellent air flushing characteristics

4. Predominant face style for majority of drilling conditions

Flat Face

1. Have a superior performance in hard, abrasive and broken rock conditions

2. They however have a slower penetration rate in comparison to a concave face bit

Convex Face

1. This face has been designed to offer high penetration rate in soft rock such as shale, limestone etc

2. They are recognized for having excellent capability for drilling into moderately consolidated rock conditions


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


Product Tags:

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China 5 1/8 Inch 130mm DHD340 drill Bits with Guage 8*16mm Center 8*14mm for hard rock factory

5 1/8 Inch 130mm DHD340 drill Bits with Guage 8*16mm Center 8*14mm for hard rock Images

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