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No Footvalve Type 3'' DHD3.5 Water Well Drilling Hammer

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Changsha Sollroc Engineering Equipments Co., Ltd

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No Footvalve Type 3'' DHD3.5 Water Well Drilling Hammer

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Brand Name :	SOLLROC
Model Number :	DHD3.5
Certification :	SGS
Price :	500
Payment Terms :	T/T,
Supply Ability :	10000pcs/month
Delivery Time :	22-28 working days

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Product Details
Company Profile

No Footvalve Type 3'' DHD3.5 Water Well Drilling Hammer

No Footvalve Type 3'' DHD3.5 DTH Drill Hammer For Water Well Drilling

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.

DHD3.5 no footvalve DTH hammer overview:

shank	DHD3.5
Length(less bit)	888mm
External diameter	82mm
Top sub thread	API 2 3/8”REG
Weight(less bit)	25kg
Hole range	90mm-110mm
Working pressure	7-25bar
Impact rate at 17bar	32Hz
Recommended rotation speed	30-70rpm

Product advantages:

1.Easy to depart bit from hammer due to multi-head thread connecting chuck and cylinder of hammer.

2.Interchangeable with DTH bit and drill pipe manufactured by many brands all over the world.

Application:

It can use for water well drilling,Mining,Blasting drilling ,construction and etc.

Structure picture:

Company information:

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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