Wuhan Kingdrilling Diamond Co.,Ltd
                                                                                                           
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CIR90 Low Pressure DTH Hammer with 80mm OD and 90-120mm Hole Range for Mining Drilling

Price Negotiable
Price: 999-99999USD/PC
MOQ: 1PC
Delivery Time: 3-5WEEKS
Brand: MING
Product Description
CIR90 Low Pressure DTH Hammer Overview
Key Specifications
Connection Thread: F48*10 PIN
Working Pressure: 4-12 bar
Hole Range: 90-120 mm
Outer Diameter: 80 mm
Weight: 21 kg
Complete CIR Series DTH Hammer Models
Model OD (mm) Hole Range (mm) Length (mm) Connection Thread Working Pressure (Bar) Air Consumption (CFM) Weight (KG)
MHCIR65 61 70 745 F42*10PIN 4~10 212~353 13
MHCIR70 65 76 750 F48*10PIN 4~10 212~353 13.5
MHCIR90 80 90~120 460 F48*10PIN 4~12 282~424 21
MHCIR110 98 110~150 870 PIN2-3/8"REG BOX 6~12 282~424 33
MHCIR130 112 130~175 890 PIN2-3/8"REG BOX 6~12 282~424 46
MHCIR150 136 150~200 904 F70*10BOX 6~12 353~565 70
MHCIR170 156 170~250 1030 F100*28PIN 8~14 424~635 96
MHCIR200 182 200~250 1058 F100*28PIN 8~14 565~706 130
Ordering Information
Specify: Shank Type + Top Sub Thread
DTH Hammer Performance Advantages
  • High-frequency hammer design for faster penetration rates
  • Enhanced drilling stability and precision
  • Simplified structural design for reliability
  • Reduced impact on sensitive electronic equipment
  • Advanced heat treatment processes for extended service life
Technical Information
What is a DTH hammer?
Pneumatic down-the-hole (DTH) hammer is a drilling tool that uses compressed air as a power source. It is ideal for drilling in pebble, gravel, and hard rock formations, commonly used in building foundations, bridge construction, mining operations, geological exploration, and water well drilling applications.
Top hammer vs down-the-hole drilling?
The primary difference is the hammer location. In DTH drilling, the hammer contacts the bit directly at the bottom of the hole, while top hammer drilling concentrates the hammer action at the top of the drill string.
Can you directional bore through rock?
Yes, with advancing technology, modern midsize drilling equipment now effectively drills and steers through rock formations using directional boring techniques.
Product Images
CIR90 DTH Hammer detailed view showing connection threads and construction CIR90 DTH hammer assembly and component layout CIR90 low pressure DTH hammer in operational configuration

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

Company Wuhan Kingdrilling Diamond Co.,Ltd
Location 1-2-905 California Sunshine, Optical Valley Street,Wuhan 430074, China
Contact Person Wendy Chen

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