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Abrasion Resistant 5'' Max 2.5Mpa DTH Hammer For Rock Drilling

Changsha Sollroc Engineering Equipments Co., Ltd

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Address: No55. Jiucaiyuan road, Furong District, Changsha, Hunan,China

Contact name:Ling Bo

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Changsha Sollroc Engineering Equipments Co., Ltd

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Abrasion Resistant 5'' Max 2.5Mpa DTH Hammer For Rock Drilling

Country/Region china
City & Province changsha hunan
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Product Details

5'' Hard Rock High Air Pressure Black Color DTH Hammer for Mining Drilling

 

Product description

A down-the-hole hammer (DTH hammer) is a tool that can be attached to the end of a drill string and inserted into a bore. It's a small jack hammer used to break hard rock into small particles that can be flushed away by the DTH hammer's air exhaust.

 

Product Advantages:

1. Valveless operation to maximize energy output, provide efficient air utilitzation and reduce service requirements
2. Extra air-flow system allows for better hole cleaning in troublesome holes
3. Reversible hardened wear sleeve for optimum wear resistance even in the most abrasive conditions

 

DTH Hammer specification:

Model: DHD350R, COP54, SD5, M50, QL50

 DHD350
COP54
SD5M50QL50
Length(less bit)1214mm1175mm1110mm1156mm
Weight (less bit)76.5kg72.5kg68.5kg73.00kg
External diameter125mm125mm125mm125mm
Bits shankDHD350R
COP54
SD5Misson50QL50
Bits diameter130-156mm
5 1/8" - 6 1/8"

130-156mm
5 1/8" - 6 1/8"
130-156mm
5 1/8" - 6 1/8"
130-156mm
5 1/8" - 6 1/8"
Connection threadAPI 2 3/8" Reg
API 3 1/2" Reg
API 2 3/8" Reg
API 3 1/2" Reg
API 2 3/8" Reg
API 3 1/2" Reg
API 2 3/8" Reg
API 3 1/2" Reg
Air pressure1.0-2.5Mpa1.0-2.5Mpa1.0-2.5Mpa1.0-2.5Mpa

 

Face shape Features

Drop Center

For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.

Concave Face

The all-round application bit face special for medium hard and homogenerous rock formations. Good hole deviation control and good flushing capacity.

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 the load and wear on the gauge buttons, but poor hole deviation control.

Flat Face

This kind of face shape is suitable for very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.

Double Gauge Face

This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit.

 

Product application

At present, DTH drilling tool is widely used in underground mining, quarries, hydraulic and Hydro-Power Engineering, water well drilling, Mineral exploration, anchoring hole drilling, geothermal engineering, Subway excavation, another civil engineering.

 

DTH is one of the most efficient ways of drilling rock, using a rapid hammer action to break the rock into sizeable chips which are then evacuated from the bore hole by the air exhausted from the DTH Hammer. The technique provides fast drilling of accurately aligned, straight and clean holes in most ground conditions.

 

Company informaiton

At sollroc, customer satisfaction is our top priority. Our sales team takes a proactive approach in meeting customers’ needs. We take the time to get to know you and learn about your operations so we can better assist you. We strive to meet customers’ needs by supplying the tools and equipment you need when you need them, providing product support, and following through with excellent customer service every step of the way.

 

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