MIRCALE Coupling Sleeves
Coupling is used for connecting shank adapter and extension drill rod together, or for connecting two extension rods together. Besides normal equal couplings, we also offer reducing couplings that are able for changing thread type and size. The couplings we offer can be applied for our top hammer drilling system, suitable for drilling duties in tunneling, construction, mining, quarrying, etc.
Parameters
• Thread type: R25, R28, R32, R38, T38, T45, T51
• Diameter: 35mm, 40mm, 45mm, 55mm, 63mm, 66mm, 72mm, 76mm
• Length: 150mm, 155mm, 170mm, 180mm , 180mm, 190mm, 210mm , 235mm
• Coupling type: Semi-bridge, Full bridge, Adapter Coupling
Features
• Premium steel as material, precision CNC for manufacturing, accuracy and reliability assured;
• High transmission efficiency grants high drilling efficiency for the drilling system.
Applications
Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.
| ||||
Thread | Diameter | Length | ||
mm | inch | mm | inch | |
R25 | 35 | 1 19/50 | 150 | 5 9/10 |
R28 | 40 | 1 29/50 | 155 | 6 1/10 |
R32 | 45 | 1 3/4 | 170 | 6 57/64 |
R38 | 55 | 2 5/32 | 170 | 6 57/64 |
T38 | 55 | 2 5/32 | 190 | 7 33/64 |
T45 | 63 | 2 15/32 | 210 | 8 17/64 |
T45 | 66 | 2 19/32 | 210 | 8 17/64 |
T51 | 72 | 2 7/8 | 235 | 9 1/4 |
T51 | 76 | 3 | 235 | 9 1/4 |
Coupling Sleeve
Adapter Coupling / Crossover Coupling | |||||
Thread | Diameter | Length | |||
A | B | mm | inch | mm | inch |
R25 | R32 | 45 | 1 3/4 | 170 | 6 57/64 |
R28 | R32 | 45 | 1 3/4 | 170 | 6 57/64 |
R32 | R38 | 55 | 2 5/32 | 180 | 7 1/8 |
R32 | T38 | 55 | 2 5/32 | 180 | 7 1/8 |
R38 | T38 | 55 | 2 5/32 | 190 | 7 33/64 |
Our advantage:
1. Enterprise group combines manufacture and international trade;
2. Strict quality controll system with perfect equipment;
3. High technology enterprise with advanced production equipments;
4. Prompt delivery and all-around after-sales service;
FAQ
A: Are you trading company or manufacturer ?
Q: We are manufacturer.
A: Do you provide samples ?
Q: Yes, of course. We welcome sample order to test and check quality.
A: Can you accept small orders?
Q: We enjoy to cooperate with all clients whatever big or small order.
A: Could you accept OEM & ODM?
Q: Of course, as a manufacturer, OEM & ODM is available, our professional R&D center can help you on the project.
A: How long is your delivery time?
Q: Usually it's about 20 days,depends on your actual quantity.
Any question, pls feel free to contact . Thanks!