NUMA 100 DTH Hammer Bits 254-380mm Diameter for Exploration Down Hole Drilling with 1.0-2.5Mpa Working Pressure
Price:
Negotiate
MOQ:
1 set
Delivery Time:
Negotiable
Brand:
ROSCHEN
Product Description
Product Overview
NUMA 100 DTH hammer bits deliver exceptional performance in exploration down hole drilling applications. Engineered with advanced carbide materials and precision manufacturing, these bits ensure maximum energy transfer, fast drilling speeds, and extended service life.
Key Advantages
- Maximum energy transfer to drilling bit with fast drilling speed and low air consumption
- Smooth performance and long service life using high-quality alloy steel materials
- Low problem rate with simple, reliable assembly and disassembly
- Easy bit separation with multi-head thread connecting chuck and cylinder
- Full interchangeability with DTH bits and drill pipes from Atlas Copco and Ingersoll-Rand
- Precision-machined tungsten carbide construction with heat-treated buttons
DTH Bits Specifications
| Hammer Size | Bits Diameter | Shank | ROSCHEN Code |
|---|---|---|---|
| 1" | 64mm-70mm | 2 1/2"-2 3/4" | BR1 | ROS 11 |
| 2" | 70mm-95mm | 2 3/4"-3 3/4" | MACH20/BR2 | ROS 22 |
| 3" | 90mm-102mm | 3 1/2"-4" | COP32/COP34/MACH303 | ROS 32 M30/DHD3.5/BR3 | ROS 34 |
| 4" | 105mm-152mm | 4 1/8"-6" | COP44/DHD340/MACH44 | ROS 42 SD4/M40/QL40 | ROS 44 |
| 5" | 133mm-165mm | 5 1/4"-6 1/2" | COP54/DHD350R/MACH50 | ROS 52 SD5/M50/QL50/BR5 | ROS 54 |
| 6" | 152mm-254mm | 4 1/8"-10" | COP64/DHD360/SD6 | ROS 62 M60/QL60/Bulroc BR6 | ROS 64 |
| 8" | 203mm-330mm | 8"-13" | COP84/DHD380/SD8 | ROS 82 QL80/M80/M85 | ROS 84 |
| 10" | 254mm-380mm | 10"-15" | SD10 | ROS 100 NUMA100 |
| 12" | 305mm-508mm | 12"-20" | DHD1120/SD12 | ROS 120 NUMA120/NUMA125 |
Notes: Special sizes available upon request. Metzke and Remet threads available.
DTH Hammers Specifications
| Hammer Size | Bit Shank | ROSCHEN Code | Connection Thread | Suitable Bit | Working Pressure | Air Consumption |
|---|---|---|---|---|---|---|
| 2" | BR2 | ROS 11 ROS 22 | RD50 box | 70-90mm | 0.7-1.75Mpa 0.7Mpa: 4.5m³/min 1.0Mpa: 4m³/min 1.4Mpa: 5m³/min |
|
| 3" | DHD3.5 | ROS 32 | API 2 3/8" Reg | 90-110mm | 1.0-1.5Mpa 1.0Mpa: 4.5m³/min 1.5Mpa: 9m³/min |
|
| 4" | DHD340 | ROS 34 | API 2 3/8" Reg | 110-135mm | 1.0-2.5Mpa 1.0Mpa: 6m³/min 1.8Mpa: 10m³/min 2.4Mpa: 15m³/min |
|
| 5" | DHD350 | ROS 52 ROS 54 | API 2 3/8"Reg/API 3 1/2" Reg | 135-155mm | 1.0-2.5Mpa 1.0Mpa: 9m³/min 1.8Mpa: 15m³/min 2.4Mpa: 23m³/min |
|
| 6" | DHD360 | ROS 62 ROS 64 | API 3 1/2" Reg | 155-190mm | 1.0-2.5Mpa 1.0Mpa: 10m³/min 1.8Mpa: 20m³/min 2.4Mpa: 28.5m³/min |
|
| 8" | DHD380 | ROS 82 ROS 84 | API 4 1/2" Reg | 195-254mm | 1.0-2.5Mpa 1.0Mpa: 15m³/min 1.8Mpa: 26m³/min 2.4Mpa: 34m³/min |
|
| 10" | SD10 | ROS 100 | API 6 5/8" Reg | 254-311mm | 1.0-2.5Mpa 1.0Mpa: 22m³/min 1.8Mpa: 40m³/min 2.4Mpa: 55m³/min |
|
| 12" | DHD1120 | ROS 120 | API 6 5/8" Reg | 305-445mm | 1.0-2.5Mpa 1.0Mpa: 30m³/min 1.8Mpa: 56m³/min 2.4Mpa: 78m³/min |
Notes: Special sizes available upon request. Metzke and Remet threads available.
Applications
Our DTH drilling tools are designed for diverse applications including mining, natural resources exploration, water wells, quarries, and civil works. The product range includes DTH bits, hammers, drill tubes, ODEX & RC drill tools, spare parts, and diamond grinding cups/pins for button bit sharpening.
Ordering Information
Payment Methods
T/T (Telegraphic Transfer), Western Union, or L/C at sight
Production Time
Standard production time: 20 days after receiving advance payment
Shipping Options
Samples: DHL/UPS/TNT/FEDEX or air freight
Bulk orders: Air or sea freight
Quality Assurance
Every order undergoes strict inspection and testing before shipping. Our experienced QC team ensures consistent product quality and performance.
Customer Support
24-hour response time for sales inquiries (excluding holidays)
Technical support available anytime
Free replacement for confirmed quality-related failures
Contact Information
Skype: ROSCHEN.TOOL, ROSCHEN_GROUP
WeChat: +86-137 6419 5009; +86-135 8585 5390
WhatsApp: +86-137 6419 5009; +86-135 8585 5390
Email: roschen@roschen.com; roschen@roschen.net
Websites: www.roschen.com, www.roschen.net, www.roschen.cn, www.roschendrill.com, www.roschenmining.com, www.roschendrilling.com, www.roschengroup.com
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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