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Hejian Deris Petroleum Drilling Equipment Co.,Ltd.


Home > Products > DTH Drilling Tools > DTH Hammer > Qualified High Air Pressure DHD350 DTH drilling Hammer

Qualified High Air Pressure DHD350 DTH drilling Hammer
Qualified High Air Pressure DHD350 DTH drilling Hammer
Qualified High Air Pressure DHD350 DTH drilling Hammer
Qualified High Air Pressure DHD350 DTH drilling Hammer
Qualified High Air Pressure DHD350 DTH drilling Hammer

Qualified High Air Pressure DHD350 DTH drilling Hammer

Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Min. Order: 1 Piece/Pieces
Delivery Time: 15 Days

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  • Basic Info
  • Product Description
  • Email
Basic Info

Model No.: DHD350

Packaging Details: Ply-wooden Cases

Material: Carbon Steel

Model Number: Dth Hammer Bit

Applicable: Hard,very Hard And Medium Sof

Color: Golden

Advantage: High Performance

Product Name: High Air Pressure DTH Bit

Bit Face: Convex,spherical

Size: 105mm-130mm

Bit Shank: DHT340

Additional Info

Packaging: wooden case

Productivity: 30 pcs per month

Brand: Deris

Transportation: Ocean,Land,Air,Express

Place of Origin: Hebei

Supply Ability: 30 pcs per month

Certificate: ISO 9001

HS Code: 8431431000

Port: Tianjin,Beijing,Qingdao

Product Description

The cylinders, pistons, and other spares is made of quality alloy steel with heat treatment. 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.

DTH Hammer without footvalve can be available.
Different out diameters of out cylinder can be available.
DTH Hammer Bit 60mm-381mm for above hammers can be available.
Feature of DTH Drilling Hammer.

DHD350 DTH hammer

Product Name


Product Code


BIT Type

DHD 350 Without Foot Valve

Thread Connection

API 2 3/8 Reg

Working pressure (BAR)


Air Consumption 24 BAR (m³/Min)


Recommend Rotation Speed


Outside Dia (mm)


Length with Out Bit



55 kg

Normal Axial Pressure (KN)


Rec Hole Size (mm)


Flat Wrench (mm)


Item Description


Part List





Top Sub Ring


Pressure Bearing Wahser



Check Valve






Air Distributing Seat



Inner cylinder






Outer cylinder



Bush Drive Sub



O ring



Bit Retainer Ring



Chuck Sleeve


DHD 350

General 140mm ,152mm,160mm,165mm,178mm

Convex, Concave, Flat, Spherical , Ballistic , Semi Ballistic are available

down the hole drill bit

High Pressure DTH Bit Face design and carbide button shape

Convex face DTH bits

DTH Button rock bit Carbide Buttons Shape

Carbide buttons bit

Produce of DTH drill rock bit

DTH drill bit manufacturer

dth 380

Aplication of hammer bit

DTH Hammer R application

Our company
Hejian Deris Petroleum drilling equipment Co., Ltd was established in 2000, located in Hejian City Junziguan Industrial Park, close to Tianjin Port, Beijing Airport, convenient transportation and superior location. The company covers an area of 30 acres and a factory building of 15,000 square meters.
Specializing in the production and sales of Drilling Tools such as Tricone Bit, PDC drill bits, Hole Opener, Roller Cone Bit, hammer and hammer bit, Drill Pipe , Drill Collar, etc. A professional design, production, inspection and foreign trade sales team has been established.

Our service

1.Pre-sale service:
Act as a good adviser and assistant of clients enable them to get rich and generous returns on their investments . 1.Select equipment model. 2.Design and manufacture products according to client's special requirement ; 3.Train technical personnel for clients .

2.Services during the sale:
1.Pre-check and accept products ahead of delivery .
2. Help clients to draft solving plans .

3.After-sale services:
Provide considerate services to minimize clients' worries.
1.Complete After-sales service,professional engineers available to service machinery at home or oversea.
2. 24 hours technical support by e-mail.
3.Other essential technological service.

203mm button bit


iadc 127 tricone bit

Package and shipping

Package Type : wooden case ,also be packaged according to customers requirement

Transportation : by sea , by air or land transportation . Less than 50kg shipping by courier better
Delivery : If we have stock, the delivery time will need about 2~3 working days.
If we have no stock, such as the tci reamer and PDC Hole Opener, it will be 7-10 working days in total.

tricone steel tooth bits

Customers vidit our company to check the tricone rock roller bit

tricone oil drill bits

If you are interested in rotary tricone rock drill bit please send Email to us

How to drill a well

How to complete the whole deal

1. Firstly decide the design, material and color
2. Decide the size in accordance with client's requirement and our recommendation
3. We will give the best offer.
4. Client's accept the offer and we send proforma invoice.
5. Client transfers 30%-50% deposit and production begins
6. After production, we will send ready products photo
7. After client's confirmation, we will arrange shipment, and send copy shipping documents like B/L, commercial invoice and packing list
8. Client transfer balance payment and we will send original documents by DHLor EMS


1. Are you a manufacturer?
Yes, we are a professional driiling tools and machine parts manufacturer.
And we have a professional R&D team.
2. What's products your company can provide?
We can provide drilling bucket,Core Barrel,auger,drilling teeth,casing series,rotary rig accessories ect.
3. How do you control the quality of your products?
First, we use good steel GB-Q345B.Our welding stick is flux-cored wire.
Second, we have strict quality controlling system;
Third, we promise good quality and after-sales service.
4. Can you produce according to special requirement?
Yes, we can produce customized products.
5. How is your product price?
We can give you factory price,more quantity,better price!

Type of well drilling bit

roller cone tool

Looking for ideal DHD350 DTH Drilling Hammer Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the DHD350 Drilling Hammer are quality guaranteed. We are China Origin Factory of High Air Pressure Hammer. If you have any question, please feel free to contact us.

Product Categories : DTH Drilling Tools > DTH Hammer

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