DHD350 dth hammer and bit

$810.00 - $870.00
Min. Order
4 Pieces
Quick Quotation
Choose your specifications
Company Information

Xiamen Zhaoxing Machinery & Electric Equipment Co., Ltd.

CN Manufacturer, Trading Company, Agent
Response Time
Response Rate:
US$ 20,000+
7 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Port: Xiamen
Payment Terms: T/T,Western Union,MoneyGram
Supply Ability: 100 Piece/Pieces per Day dth hammer and bit
Place of Origin: Fujian China
Brand Name: MEGAROC
Type: dth hammer and bit
Machine Type: Drilling Tool
Certification: API
Material: Carbide
Processing Type: Forging
Use: Coal Mining
Product name: DHD350 dth hammer and bit
Quality: 95% quality similarity with Atlas ect. world top class brands
Advantages: high quality and factory prices
Shank series: COP, SD, DHD, BR, QL, BR,MISSION
Hammer: low/middle/high air pressure dth hammer
Hole range: 60mm- 998mm
Air consumption: 0.5-2.5Mpa
Connect Thread: API 2 3/8&quot; Reg-6 5/8&quot;Reg
suppy sample: YES
Color: Blue and yellow, other color available
Packaging Detail: dth hammer and bit:Inner package with cartons,outer package with wooden case

(IR3.5)Ingersoll rand dth hammer and bit

Product Description

Dth Hammer Types:

Low air pressure: 0.5-0.7Mpa

Middle air pressure : 0.7-1.8Mpa

High air pressure:1.8-2.5Mpa

(IR3.5)Ingersoll rand dth hammer and bit.jpg

 Dth hammer models :

(IR3.5)Ingersoll rand dth hammer and bit.jpg

DTH hammer typeMHD35MHD45MSD4MQL4
Length(less bit) mm930mm103010841097
Weight(less bit) kg25kg3940.541
External diameter mmΦ82mmΦ99Φ99Φ99
Bit shankDHD3.5COP44 DHD340SD4QL40
Hole range(mm)Φ90-110Φ110-135Φ110-135Φ110-135
Connection threadAPI 2 3/8” Reg.API 2 3/8"RegAPI 2 3/8"RegAPI 2 3/8"Reg
Working pressure1.0-1.5Mpa1.0-2.5Mpa1.0-2.5Mpa1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa28Hz27Hz27Hz27Hz
Recommended Rotation speed25-40r/min25-40r/min25-40r/min25-40r/min
Air consumption1.0Mpa4.5m3/min6.0m3/min6.0m3/min6.0m3/min
2.4Mpa 15.0m3/min15.0m3/min15.0m3/min
DTH hammer typeMHD55MHD55CMSD5MQL5
Length(less bit) mm1214116011751156
Weight(less bit) kg76.572.572.573
External diameter mmΦ125Φ125Φ125Φ125
Bit shankCOP54 DHD350RHD55C DHD350QSD5QL50
Hole range(mm)Φ135-155Φ135-155Φ135-155Φ135-155
Connection threadAPI 2 3/8"RegAPI 2 3/8"RegAPI 3 1/2"RegAPI 3 1/2"Reg
API 3 1/2"RegAPI 3 1/2"Reg  
Working pressure1.0-2.5Mpa1.0-2.5Mpa1.0-2.5Mpa1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa25Hz25Hz25Hz25Hz
Recommended Rotation speed20-35r/min20-35r/min20-35r/min20-35r/min
Air consumption1.0Mpa9.0m3/min9.0m3/min9.0m3/min9.0m3/min
DTH hammer typeMHD65MSD6MQL6MHD85
Length(less bit) mm1248126112121492
Weight(less bit) kg10010095188
External diameter mmΦ142Φ142Φ146Φ180
Bit shankCOP64 DHD360SD6QL60COP84 DHD380
Hole range(mm)Φ155-190Φ155-190Φ155-190Φ195-254
Connection threadAPI 3 1/2"RegAPI 3 1/2"RegAPI 3 1/2"RegAPI 4 1/2"Reg
Working pressure1.0-2.5Mpa1.0-2.5Mpa1.0-2.5Mpa1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa23Hz23Hz23Hz20Hz
Recommended Rotation speed20-30r/min20-30r/min20-30r/min20-30r/min
Air consumption1.0Mpa10.0m3/min10.0m3/min10.0m3/min15.0m3/min
DTH hammer typeMSD8MQL8MSD10MHN100
Length(less bit) mm1463146515021510
Weight(less bit) kg192182290288
External diameter mmΦ180Φ180Φ226Φ226
Bit shankSD8QL80SD10NUMA100
Hole range(mm)Φ195-254Φ195-254Φ254-311Φ254-311
Connection threadAPI 4 1/2"RegAPI 4 1/2"RegAPI 4 1/2"RegAPI 6 5/8"Reg
  API 6 5/8"Reg 
Working pressure1.0-2.5Mpa1.0-2.5Mpa1.0-2.5Mpa1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa20Hz20Hz18Hz18Hz
Recommended Rotation speed15-25r/min15-25r/min15-25r/min15-25r/min
Air consumption1.0Mpa15.0m3/min15.0m3/min22.0m3/min22.0m3/min
DTH hammer typeMHD1120MSD12MHN120MNH125
Length(less bit) mm1900188019001900
Weight(less bit) kg480487485480
External diameter mmΦ275Φ275Φ275Φ275
Bit shankDHD1120SD12NUMA120NUMA125
Hole range(mm)Φ305-445Φ305-445Φ305-445Φ305-445
Connection threadAPI 6 5/8"RegAPI 6 5/8"RegAPI 6 5/8"RegAPI 6 5/8"Reg
Working pressure1.0-2.5Mpa1.0-2.5Mpa1.0-2.5Mpa1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa16Hz16Hz16Hz16Hz
Recommended Rotation speed15-25r/min15-25r/min15-25r/min15-25r/min
Air consumption1.0Mpa30.0m3/min30.0m3/min30.0m3/min30.0m3/min


 (IR3.5)Ingersoll rand dth hammer and bit.jpg


Advantages of dth hammer:
 1. More efficient energy transfer.
 2. Faster drilling speed, 15%-30% higher than others.
 3. Lower air consumption and lower oil consumption. oil consumption is about 10% lower than others
 4.  Direct factory price. 


Advantages of dth hammer spare parts :

1.Valveless air distribution. More reliable.

2.Simple design of the piston, long life.

3.Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.

4.Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.

(IR3.5)Ingersoll rand dth hammer and bit.jpg

Dth Bits Types:

(IR3.5)Ingersoll rand dth hammer and bit.jpg

Dth Bits Specifications


Specification:Diameter: (mm)Weight: (kg)
Low air pressure DTH bits CIR type68 ~ 2002.6 ~ 48
Middle air pressure BR & COP type76 ~ 1103.8 ~ 15
3 inch high Air pressure DTH bits(COP32/BR3/HD35/IR3.5/COP34/QL30)85 / 90 / 95 / 100 / 1054.2 ~ 5.5
4 inch high Air pressure DTH bits(HD45/DHD340A/COP44/SD4/QL40/HM4)105 / 110 / 115 / 120 / 1279 ~ 12
5 inch high Air pressure DTH bits(HD55/DHD350R/COP54/SD5/QL50/HM5)133 / 140 / 146 / 152 / 16515 ~ 18.5
6 inch high Air pressure DTH bits(HD65/DHD360/COP64/SD6/QL60/HM6)152 / 165 / 178 / 190 / 20326 ~ 36
8 inch high Air pressure DTH bits(HD85/DHD380/COP84/SD8/QL80/HM8)195 / 203 / 216 / 254 / 30533 ~ 95 

Dth Bits Detail(IR3.5)Ingersoll rand dth hammer and bit.jpg 

The application cases of dth hammer :


 Since our company has been established in 1996, we have served a number of large mining projects  including blast holes, anchoring geothermal bore holes, quarring, well drilling and accumulated a  wealth of practical experience.And Our DTH hammer can be used in different types of drilling  machine

 (IR3.5)Ingersoll rand dth hammer and bit.jpg


Warranty of dth hammers:

In the early use if the dth hammer, rupture appears on parts such as external cylinder, piston and drive chuck ect.  the broken parts can be compensated according to the situation.

Packaging & Shipping

 Dth hammer shipping details:

  Internal package : By carton box with foam ,one pc dth hammer per carbox

   External package: By wooden box, one pc dth hammer per wooden box.

   Round-sealed package can prevent damaging during delivery.


Delivery ways of dth hammers:


  Sample order can delivery by Air or International express, such as DHL,  UPS, Fedex, ect.

  Batch orders can delivery by Air , By truck or by Sea

  We can choose most favorable delivery ways for our customers

 (IR3.5)Ingersoll rand dth hammer and bit.png 

Related Products:


Also we can offer drill rig, air compressor, dth bit, rod, ect.

 (IR3.5)Ingersoll rand dth hammer and bit.jpg



  Advance equipment

  Professional technicians

  Strict production process

 (IR3.5)Ingersoll rand dth hammer and bit.jpg

Company Information

Company Introduction

About the Company strength:

Xiamen Zhao Xing Electrical Equipment Co., Ltd. was established in 1996, with extensive experience in drilling area. We specializes in providing drilling solutions for our customers to improve efficiency and cost savings.


ZHAOXING is worth of your choice!


Passion and professinal team


We have cultivated a contingent of well-trained,experienced maintenance engineers,s-


trong service team, in order to provide a guarantee of normal production;


we have accumulated a number of outstanding drilling rigs and drilling tools


suppliers, we are familiar with drilling products market, we are here to


provide low-cost, high-efficiency drilling services solution capacity.




(IR3.5)Ingersoll rand dth hammer and bit.jpg

After-Sales Service

1.  Technical Support will be available in any time

2.  Our sales team will response for your question within 24 hours (Holidays Excluded)


customer visit 

(IR3.5)Ingersoll rand dth hammer and bit.jpg



The information about dth drill bit you may like to know before order:

1. Methods of Payment:

  T/T (Telegraphic Transfer) or Western Union or L/C at sight

2. Handling time for an order

  Based on order quantity, normally it takes 20 days for production.

   in 3 working days after receiving the advance payment

3. Shipping way

  Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air

  Bulk order: we suggest by air or by sea.

4. Quality Control

  We have our own experienced QC.

  There will be strict inspection and testing for every order before shipping out.

5. After Services:

  a. Our sales team will response for your question within 24 hours (Holidays Excluded)

  b. Technical Support will be available in any time

contact us