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CIR90 Down The Hole Hammer and Button Bits for Rotary Impact Drilling

CIR90 Down The Hole Hammer and Button Bits for Rotary Impact Drilling
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Model: CIR90 CIR100 Down The Hole Hammer
Applications: Mineral Drilling, Exploration Core Drilling
Usage: Use Together With DTH Button Bits
Series No.: SD, ROS, Cop Br DHD Mission
Drill Diameter: 65-800mm
Drilling: Down The Hole Drilling, DTH Drilling
Name: Down The Hole Hammer, DTH Hammer
Mining Object: Mining, Ore Machinery, Stone Quarry Drilling
Model No.: DHD360, QL60, SD80, COP64, COP84
Material: High Carbon Steel
Machine: Hydraulic Crawler Drill Rig
Tools: Top Hammer Drilling Tools
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Basic Infomation
Place of Origin: GERMANY
Brand Name: ROSCHEN
Certification: ISO
Model Number: CIR90
Payment & Shipping Terms
Packaging Details: Polywood box
Supply Ability: 200
Product Description

CIR90 Low Air Pressure DTH Hammer and Button Bits for Rotary Impact Drilling

CIR Hammer is a new product combining the advantages of DHD Hammer and QCZ Hammer. The wind pressure of working is between 0.5-0.7MPa.


The CIR Hammer with advanced technology has high quality and quick speed of drilling. CIR hammer has bigger specific energy of shock and lower power consumption while operating. The momentum transfer reaches the ideal level.



1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption
2. Smooth performance and long service life
3. Low problem rate and easy to maintenance
4. Easy to depart bit from hammer
5. Interchangeable with DTH bit and drill pipe


Packing: Inner package with cartons, outer package with wooden case

Delivery: In 20 working days after receiving the advance payment


Low air pressure CIR series, here is the recommend model CIR90 hammer:


DTH hammer type CIR90
Length(less bit) 795mm
Weight(less bit) 22.0kg
External diameter Φ80mm
Bit shank IR3.5" CIR90/QT90
Hole range(mm) Φ90-130
Connection thread male T48*10*2
Working pressure 0.5-0.7Mpa
Impact rate 820rpm(6bar)
  10bar 120L/s(6bar)
Air consumption 18bar  



The CIR series DTH Hammer Specifications:


The CIR series Hammer DTH for your reference:
Model OD*L(mm) Air pressure (Mpa) Air consumption (m3/min.) Bits Dia.*Shank*Spline No. Impact Frequency (strike/min.) weight (kg)
CIR55 Φ48*657 0.5-0.7 2.0-2.5 55-60*31*4 840 6
CIR60 Φ53*657 0.5-0.7 2.5-3.5 58-65*34*4 840 7
CIR70 Φ61*765 0.5-0.7 3.5 70*42*4 840 9
CIR76 Φ66*765 0.5-0.7 3.5-5.0 76*44*4 840 14
CIR80 Φ78*446 0.5-0.7 4.0-6.0 80*35*45(flat) 940 12
CIR80A Φ72*795 0.5-0.7 5 80*50*6 840 15
CIR80B Φ76*785(4spline) 0.5-0.7 6 90*52*4 810 19
Φ76*777(6spline) 90*54*6
CIR90 Φ80*800 0.5-0.7 7.2 90-100*54*6 840 20
CIR100 Φ90*434 0.5-0.7 8 100-130*50*flat 820 19
CIR100A Φ90*715 0.5-0.7 10 105-115*56*4 820 24
CIR100B Φ95*847 0.5-0.7 12 110-115*60*4 820 30
CIR110 Φ98*871 0.5-0.7 12 110-120*65*6 820 37
CIR150B Φ136*908 0.5-0.7 15 150-165*90*8 850 68
CIR150C Φ142*913 0.5-0.7 17 155-165*90*6 850 69
CIR150C Φ135*687 0.5-0.7 13 155*80*8 860 43
CIR170A Φ156*1022 0.5-0.7 19.5 170-175*98*6 840 102
CIR200A Φ188*1120 0.5-0.7 24 210*120*6 840 163




Further products information, please don't hesitate to contact us.






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Contact Person : Bill, George, Michael
Tel : 8613764195009
Fax : 86-021-54380177
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