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5" Down The Hole DTH Hammer For Shank DHD350 With High Performance

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Changsha Sollroc Engineering Equipments Co., Ltd

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5" Down The Hole DTH Hammer For Shank DHD350 With High Performance

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Brand Name :	SOLLROC
Model Number :	DHD350
Certification :	SGS
Price :	1000
Payment Terms :	T/T,
Supply Ability :	10000pcs/month
Delivery Time :	22-28 working days

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Product Details
Company Profile

5" Down The Hole DTH Hammer For Shank DHD350 With High Performance

Product description

High Pressure DTH Air Drill DHD350 is very popular in international mining drilling and rock excavation field.
High Pressure DTH Air Drill DHD350 drill holes from 127mm to 155mm.
Matched drilling bits: DHD350-130mm, DHD350-135mm, DHDH350-140mm, DHD350-146mm, DHD350-150mm, DHD350-152mm, DHD350-156mm.

We supply DTH hammers and bits from 2"-18" for shank type DHD, QL, SD, Mission, Numa, etc.

HD55A DTH hammer overview

shank	DHD350R/COP54
Length(less bit)	1214mm
External diameter	125mm
Top sub thread	API 2 3/8”REG API 3 1/2”REG
Weight(less bit)	77.5kg
Hole range	135mm-155mm
Working pressure	1.0-2. 5Mpa
Impact rate at 1.4Mpa	25Hz
Recommended rotation speed	20-35r/min
1.0Mpa	9m³/min
Air consumption 1.8Mpa	15m³/min
2.4Mpa	23m³/min

Product features

Valveless air distribution. More reliable.
Simple design of the piston. Long life.
More efficient energy transfer, fact drilling speed, lower air consumption and lower oil consumption.
Fewer internal parts, simple structure, long life, less failure and easier to maintain because all the parts are heat treated.
Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.

Application

DTH drilling tool is a kind of drilling system which uses compressed air as motivation, makes drilling impact motivation parts down the hole, to control the piston reciprocating motion by the distribution device in the hammer, and then impacts the DTH bit in the front of the hammer to transit the impacting power to the bit. The DTH bit in the front of the hammer breaks the rock to drill hole.

Structure picture

Physical picture

Company information

Sollroc , with more 10 years of experience ,is one of the professional manufacturer and supplier of high performance rock drilling tools like: DTH hammers and bits, RC hammers and bits, DTH drill rods and top hammer drilling tools. Our tools are widely used in different drilling applications including mining, quarrying, water well drilling, geotechnical industries and etc.

Sollroc is specialized in designing, manufacturing and developing equipments and accessories for standard models as well as the special needs of clients and provides them with the best suggestions and solutions. We practice strict and stringent quality control during manufacturing and adhered to recognized and approved quality control systems. Each of our products follows the quality requirements and procedures to ensure finished products are durable and superior up to standard.

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