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

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

DTH bits face desigh and selection:

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

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

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

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

drill bit size

,

7 8 drill bit

,

28mm drill bit
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5 1/8 Inch 130mm DHD340 drill Bits with Guage 8*16mm Center 8*14mm for hard rock

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Product Detail
Brand Name :
Super Diamond
Model Number :
DHD340
Certification :
ISO9001:2018
Place of Origin :
China
MOQ :
1 piece
Price :
Negotiate
Contact Supplier
5 1/8 Inch 130mm DHD340 drill Bits with Guage 8*16mm Center 8*14mm for hard rock
5 1/8 Inch 130mm DHD340 drill Bits with Guage 8*16mm Center 8*14mm for hard rock
5 1/8 Inch 130mm DHD340 drill Bits with Guage 8*16mm Center 8*14mm for hard rock
5 1/8 Inch 130mm DHD340 drill Bits with Guage 8*16mm Center 8*14mm for hard rock

Changsha Chaojingang machinery manufacturing CO., Ltd

Active Member
6 Years
hunan, changsha
Business Type :
Manufacturer
Main Products :
DTH Drill Bits, DTH Drill Pipe, DTH Drilling Tools
Employee Number :
>100
Certification Level :
Active Member
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