8 Inch Mission 80 DTH Hammer for Well Drilling - 180mm External Diameter, API 4 1/2" Reg Thread
Price:
Negotiate
MOQ:
1 set
Delivery Time:
Negotiable
Brand:
ROSCHEN
Product Description
8 Inch Mission 80 DTH Hammer for Well Drilling
Advanced high-pressure down-the-hole hammer designed for superior penetration rates in well drilling applications. This valve-less hammer features our latest design technology for maximum efficiency and reliability.
Product Overview
The Mission 80 represents one of the world's most advanced DTH hammers, operating without foot valves or traditional valve systems. Our comprehensive range spans sizes from 1 to 12 inches, engineered to match corresponding drilling bits for optimal performance across various down-the-hole operations including bench drilling.
Technical Specifications
Standard DTH Hammer Sizing
| Specification | External Dia. (mm) | Connection Thread | Hole Range (mm) |
|---|---|---|---|
| 3 inch DTH hammer | 81 | API 2 3/8" Reg | 90-110 |
| 4 inch DTH hammer | 99 | API 2 3/8" Reg | 110-150 |
| 5 inch DTH hammer | 125 | API 2 3/8" or API 3 1/2" Reg | 135-165 |
| 6 inch DTH hammer | 142 | API 3 1/2" Reg | 152-216 |
| 8 inch DTH hammer | 180 | API 4 1/2" Reg | 203-305 |
| 10, 12 inch DTH Hammer | 275 | API 6 5/8 Reg PIN | 305-445 |
ROSCHEN DTH Hammer Performance Data
| Hammer Size | Connection Thread | Suitable Bit | Working Pressure | Air Consumption |
|---|---|---|---|---|
| 8" DHD380/COP84/QL80/SD8/M80 | API 4 1/2" Reg | 195-254mm | 1.0-2.5Mpa | 15-34 m³/min |
| 10" SD10/Numa100 | API 6 5/8" Reg | 254-311mm | 1.0-2.5Mpa | 22-55 m³/min |
| 12" DHD1120/SD12/Numa120 | API 6 5/8" Reg | 305-445mm | 1.0-2.5Mpa | 30-78 m³/min |
Key Features
- 1-12 inch middle-low/high air pressure DTH hammer & bit systems
- Big hole high-pressure DTH hammer for water well, oil, gas and construction drilling
- Eccentric overburden drilling equipment compatibility
- Hole opener bit and rock thread bit options
- Complete accessory range including shank adapters, coupling sleeves and adapters
Competitive Advantages
Our DTH hammers deliver over 95% compatibility with original equipment specifications while offering competitive pricing against major brands and superior quality compared to smaller manufacturers.
Ordering Information
Payment Methods
T/T (Telegraphic Transfer), Western Union, or L/C at sight
Production Timeline
Standard production requires approximately 20 days based on order quantity, with processing beginning within 3 working days after receiving advance payment.
Shipping Options
Sample orders: Courier express (DHL/UPS/TNT/FEDEX) or air freight
Bulk orders: Air or sea freight based on volume and urgency
Quality Assurance
Every order undergoes strict inspection and testing before shipment. Our experienced quality control team ensures all products meet specified performance standards.
Customer Support
Sales team responds within 24 hours (excluding holidays) with technical support available anytime. Free replacements provided for confirmed quality-related failures.
Contact Information
Company: ROSCHEN INC. / ROSCHEN GROUP LIMITED / ROSCHEN HOLDINGS LIMITED
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: http://www.roschen.com; http://www.roschen.net; http://www.roschen.cn; http://www.roschendrill.com; http://www.roschenmining.com; http://www.roschendrilling.com; http://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