ROSCHEN GROUP
                                                                                                           
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105 Years
Since 1921
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Tools & Hardware Drill Bits Multipurpose Drill Bits

M30 M40 M50 M60 M80 DTH Hammers and Bits - 64-445mm Diameter Range for Mining and Well Drilling

Price Negotiable
Price: $1 ~ $999
MOQ: 1~5pcs
Delivery Time: Negotiable
Brand: ROSCHEN
Product Description
Professional Down The Hole Drilling Equipment
Premium DTH hammers and bits manufactured from nickel-alloy steel for enhanced durability and superior wear resistance. Advanced heat treatment and stress relief processes ensure consistent performance in demanding drilling applications.
Product Specifications
Material: Carbon Steel
Certification: ISO9001:2008, CE, SGS
Face Design: Flat Face, Convex Face, Concave Face
Carbide Insert: Hemi-Spherical (Round), Parabolic (Semi-Ballistic)
Compatible Models
Interchangeable with leading industry brands including:
  • Atlas Copco: COP32, COP34, COP44, COP54, COP64, COP84
  • Ingersoll-Rand: DHD3.5, DHD340, DHD350, DHD360, DHD380
  • Mission: Mission 60
  • QL Series: QL40, QL50, QL60, QL80
  • SD Series: SD4, SD5, SD6, SD8, SD10, SD12
  • Numa: Numa100, Numa120, Numa125
DTH Hammer Bit Diameter Range
Application Diameter Range (mm)
1-2 inch Low Pressure 64/70/76/80/82/90
3 inch High Pressure 85/90/95/100/105
4 inch High Pressure 105/110/115/120/127
5 inch High Pressure 133/140/146/152/165
6 inch High Pressure 152/165/178/190/203
8 inch High Pressure 195/203/216/254/305
10-12 inch High Pressure 254/305/318/330/356/381
DTH Hammer Technical Specifications
Hammer Size Bit Shank Connection Thread Suitable Bit Range Working Pressure Air Consumption
2" BR2 RD50 box 70-90mm 0.7-1.75Mpa 4-5.5m³/min
3" DHD3.5, M30 API 2 3/8" Reg 90-110mm 1.0-1.5Mpa 4.5-9m³/min
4" DHD340, M40 API 2 3/8" Reg 110-135mm 1.0-2.5Mpa 6-15m³/min
5" DHD350, M50 API 2 3/8" Reg / API 3 1/2" Reg 135-155mm 1.0-2.5Mpa 9-23m³/min
6" DHD360, M60 API 3 1/2" Reg 155-190mm 1.0-2.5Mpa 10-28.5m³/min
8" DHD380, M80 API 4 1/2" Reg 195-254mm 1.0-2.5Mpa 15-34m³/min
Product Range
  • 1-12 inch middle-low/high air pressure DTH hammers & bits
  • Big hole high air pressure DTH hammer for water well, oil, gas and construction drilling
  • Eccentric overburden drilling equipment
  • Hole opener bits
  • Rock thread bits
  • Shank adapters, coupling sleeves and all types of adapters
Quality Advantages
Our DTH drilling equipment offers 95% compatibility with original products, competitive pricing against major brands, and superior quality compared to smaller manufacturers.
Company Profile
With over 10 years of specialized manufacturing experience, advanced technology and equipment, and technical expertise spanning more than 13 years, ROSCHEN delivers premium drilling tools exported worldwide to markets including Norway, Turkey, USA, Canada, Australia, Brazil, and more.
Contact Information
Email: roschen@roschen.com; roschen@roschen.net
Website: www.roschen.net; www.roschen.cn; www.roschen.com; www.roschengroup.com

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company ROSCHEN GROUP
Location 65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Contact Person Bill, George, Michael

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