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Thread API 3 1/2'' REG Shank QL50 Down The Hole Hammer

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Changsha Sollroc Engineering Equipments Co., Ltd

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Thread API 3 1/2'' REG Shank QL50 Down The Hole Hammer

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Brand Name :	SOLLROC
Model Number :	QL50
Certification :	SGS
Price :	500
Payment Terms :	T/T,
Supply Ability :	10000pcs/month
Delivery Time :	22-28 working days

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Thread API 3 1/2'' REG Shank QL50 Down The Hole Hammer

Thread API 3 1/2'' REG Black Color QL Shank QL50 Hammer For Mining

Product introduction:

Down-the-hole rock tools (drilling tools) are rock drilling equipment which takes compressed air as power source to partially transfer impact power into drilling holes. An air distributing device in a top hammer controls a piston to move back and forth. An impact device arranged in the front of the top hammer transfers the impact powder to a down-the-hole bit to crush rocks.

QL50 DTH hammer overview:

shank	QL50
Length(less bit)	1156mm
External diameter	125mm
Top sub thread	API 2 3/8”REG API 3 1/2'' REG
Weight(less bit)	73kg
Hole range	135mm-152mm
Working pressure	1.0-2. 5Mpa(145-362.5psi)
Impact rate at 1.7Mpa	26Hz
Recommended rotation speed	30-60rpm

Product advantages:

1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of HD series DTH hammer designed according to newest rock drilling theory.

2. Smooth performance and long service life of HD series DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.

3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.

Application:

It is widely used in open pit mining, tunneling, quarrying, transportation construction,engineering, earth-rock excavation, water wells, pile foundation, and civil engineering project etc.

Structure picture:

Company information:

Sollroc is the professional DTH drill bits supplier! After many years experience we provide the worldwide customers ideal DTH drill bits. Optimized designs improve the drilling efficiency. And automatic production line ensure the quality stability of product. Strict requirements of heat-treatment guarantee durability of the bits.

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