Dia 125mm NC38 DTH Hammer Drilling Hard Rock High Strength

Basic Information
Place of Origin: Hebei China
Brand Name: Pangolin
Price: Negotiable
Packaging Details: According to customer needs
Delivery Time: 5-15work days
Payment Terms: T/T
Detail Information
Drill Pipe Threads: NC23 NC26(2 3/8IF) D50 D80 NC31(2 7/8IF) NC38(3 1/2IF) Air Consumption: 20-30m3/Min
Pneumatic DTH Hammer: Ø125mm Working Pressure: 0.7-2.4Mpa
Curved Sub: 1° And 1.5° Bit Diameter: 5 1/2”
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NC38 DTH Hammer Drilling


125mm DTH Hammer Drilling


NC38 dth hammers

Product Description

125mm High Strength Hard Rock HDD Pilot Hammer System

1. The drill bit has high-speed rock impact force, high rock drilling speed and high rock breaking efficiency.
2. The drilling quality is high and the drilling speed is fast, without grinding.
3. High-efficiency drill bits can be optimized and customized according to the rock structure.
1. The hard alloy tooth material adopts high wear-resistant formula, and the tooth breaking rate is less than 2%.
2. The body of trousers is made of high-strength high-quality alloy steel. After advanced heat treatment, the rate of broken trousers is less than 1%.
3. Using advanced CNC machining and advanced alloy tooth assembly technology, the tooth loss rate is less than 1%.

Product parameters

Bit Diameter 5 1/2”
Pneumatic DTH hammer Ø125mm
Curved sub 1° and 1.5°
Drill pipe threads NC23 NC26(2 3/8IF) D50 D80 NC31(2 7/8IF) NC38(3 1/2IF)
Air consumption 20-30m3/Min
Working pressure 0.7-2.4Mpa
Strength ≥2800N
Hardness (HRA) ≥92
Wind pressure 0.5-0.7Mpa
Drilling depth 500 m
Drilling angle 38 (°)
Dimensions 80-220 (mm)
Weight 0.06 (t)

Field of use
This method is suitable for drilling into hard rock formations, the drilling is not easy to deviate, and it is more advantageous to use in water-deficient areas. It is used to drill into hard rock and pebble layers, and the drilling efficiency can be increased several to ten times compared with conventional rotary drilling and mechanical percussion drilling, and it has been promoted as an advanced technology. Its application fields have been expanding. In the past, it was mainly used for drilling blast holes in mines, but it has been used in hydropower, railways, highways, water wells, building foundation piles, and geological prospecting.

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Dia 125mm NC38 DTH Hammer Drilling Hard Rock High Strength 0

Drill bit hole opener HDD drilling reamer positioning drilling tool 1


Pangolin (China) Construction Machinery Co., Ltd. is a drill manufacturer with complete testing equipment and strong technical force. Our products have a wide range, high quality, reasonable price, and timely delivery, which are widely used in oilfields, drilling, non-excavation fields and other industries. Our products are widely recognized and trusted by users, and can meet the ever-changing economic and social needs. To
We welcome new and old customers from all walks of life to contact us for future business relations and mutual success!


Drill bit hole opener HDD drilling reamer positioning drilling tool 2


1. How to order the products?
A: Please send the inquiry with detail item description or with Model number.
2. How about the common packing?
A: If there is no special packing demand, we will take it as our normal packing. First in small carton, and then put in the bigger carton together to make sure goods completed.
3. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy international request.
4. How to check the product are the exact one you want?
A: If possible, please attach one reference picture to avoid any misunderstanding or any links from our website for a better understanding.
5. How to control quality?
A: We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.
6. Fast delivery time:
A: Usually it takes 25 days for production.only 3 or 5 days if we have stock of your request size.
7. Competitive price:
A: Our factory can supply you the lowest price due to direct sale to customers without distributor!

Contact Details
Sophie Zhang

Phone Number : +86-13231687581

WhatsApp : +8613231687581