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Speed DTH bit COP 54/DHD350/DHD350R 5 1/2" 140mm Convex Face Dome + Semi - Ballistic Fit High Wind Pressure

Changsha Chaojingang machinery manufacturing CO., Ltd

Speed DTH bit COP 54/DHD350/DHD350R 5 1/2" 140mm Convex Face Dome + Semi - Ballistic Fit High Wind Pressure

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Brand Name : Super Diamond

Model Number : DHD350

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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DTH Drill Bits 5 1/2”(140mm) For Down The Hole Hammer DHD350, convex face, dome+semi-ballistic


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.


Shank can be available:


1), Dia. 64mm-70mm shank Bulroc BR1
2), Dia. 70mm-95mm shank Halco MACH20, Bulroc BR2
3), Dia. 90mm-102mm shank COP32, COP34, Halco MACH303, M30, DHD3.5, Bulroc BR3
4), Dia. 105mm-152mm shank COP44, DHD340, Halco MACH44, SD4, M40, QL40, Bulroc BR4
5), Dia. 135mm-165mm shank COP54, DHD350R, COP54, Halco MACH50, SD5, M50, QL50, Bulroc BR5
6), Dia. 152mm-254mm shank COP64, DHD360, SD6, M60, QL60, Bulroc BR6
7), Dia. 203mm-330mm shank COP84, DHD380, SD8, QL80
8), Dia. 254mm-380mm shank SD10, Numa100
9), Dia. 305mm-508mm shank DHD1120, SD12, N120, N125
10), Dia. 405mm-864mm shank SD15, SD18
11), VKP80, VKP95, CIR90, CIR100, CIR110, CIR150, CIR200...


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

140

5 1/2''

7×Φ18

4×Φ15, 3×Φ14

2×Φ22

16.0



Feature Advantage


1. Price commitment: in order to ensure the high reliability of products, raw material selection are using grapefruit brand products; under the same competitive conditions, and not to reduce product technical performance on the basis of sincerity at a favorable price to customers.


2. Quality commitment: product manufacturing and testing have quality records and inspection data; the performance of the product can withstand customer inspection.


3. Customer service: in order to create Super Diamond brand, enhance the visibility of enterprises,establish corporate image, we serve customers with the principle of "preferential prices, good service, reliable product quality" principle.


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


Product Tags:

dth hammer bits

      

dth hammer button bits

      
China Speed DTH bit COP 54/DHD350/DHD350R 5 1/2" 140mm Convex Face Dome + Semi - Ballistic Fit High Wind Pressure factory

Speed DTH bit COP 54/DHD350/DHD350R 5 1/2" 140mm Convex Face Dome + Semi - Ballistic Fit High Wind Pressure Images

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