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DHD3.5/COP34 DTH Drill Bits for Water Well Drilling with Heat Treatment and 4.2 KG Weight

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DHD3.5/COP34 DTH Drill Bits for Water Well Drilling with Heat Treatment and 4.2 KG Weight

Name: DHD35COP34 DTH Drill Bits for Water Well Drilling with Heat Treatment and 42 KG Weight
Brand: SOLLROC
Price: 70 USD

China DHD3.5/COP34 DTH Drill Bits for Water Well Drilling with Heat Treatment and 4.2 KG Weight wholesale

Place of Origin : Hunan, China

Brand Name : SOLLROC

MOQ : 1

Price : $70

Weight : 4.2 KG

Material : carburized steel

Processing Type : heat treatment and machining process

Bit Diameter : 85 mm (3 11/32")

Air Holes : 2

Gauge Buttons : 6×φ13

Front Buttons : 4×φ12

Shank Type : DHD3.5/COP34

Part Number : DHD35-85

Hammer Size : 3"

Bit Type : DTH bit

Drilling Method : DTH drilling

Flushing Medium : compressed air or fluids

Impact Mechanism : direct piston strike

Guidance System : hammer casing

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Product Description

In DTH drilling, the percussion mechanism – commonly called the hammer – is located directly behind the drill bit. The drill pipes transmit the necessary feed force and rotation to hammer and bit plus compressed air or fluids for the hammer and flushing of cuttings. The drill pipes are added to the drill string successively behind the hammer as the hole gets deeper. The piston strikes the impact surface of the bit directly, while the hammer casing gives straight and stable guidance of the drill bit. This means that the impact energy does not have to pass through any joints at all. The impact energy therefore is not lost in joints allowing for much deeper percussion drilling. This is a great breakthrough for smaller portable water well drilling rigs, that before were limited. The DTH on smaller rigs now can get same results as large heavy truck rigs.

Technical parameters

For 3" hammer DTH bits shank	Bit Dia.		No. Air Holes	Gauge Buttons	Front Buttons	Weight (Kg)	Part No.
For 3" hammer DTH bits shank	mm	inch	No. Air Holes	Gauge Buttons	Front Buttons	Weight (Kg)	Part No.
DHD3.5/COP34	85	3 11/32"	2	6×φ13	4×φ12	4.2	DHD35-85
	90	3 1/2"	2	6×φ14	4×φ12	4.5	DHD35-90
	95	3 3/4"	2	6×φ14	4×φ13	4.8	DHD35-95
	100	3 7/8"	2	8×φ12	6×φ12	5.0	DHD35-100
	105	4 1/8"	2	8×φ13	6×φ12	5.5	DHD35-105

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Shipping & Package

Shipping

By Air, By Sea or By express.

Package

Ply - wooden cases + Pallet

DHD3.5/COP34 DTH Drill Bits for Water Well Drilling with Heat Treatment and 4.2 KG Weight Images

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DHD3.5/COP34 DTH Drill Bits for Water Well Drilling with Heat Treatment and 4.2 KG Weight

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