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Brand Name : MIROC
Model Number : R32-R38
Certification : ISO
Place of Origin : CHINA
MOQ : 1
Delivery Time : 20-30
Surface Treatment : Spray-Paint
Material : Cast Steel
Mining Object : Mining, Drilling, etc.
Specification : As per customers′ requirements
Usage : Rock Drilling Mining
Color : As Requested
Coupling Sleeve is a sleeve-shaped rock drilling component with internal threads for connecting shank adapter and drill rod, or drill rod and drill rod. We produce and provide three types of drill rod couplings – semi bridge couplings, full bridge couplings, and crossover couplings, which can meet the requirements of all applications.
| Product | Top Hammer Rock Drilling Tool - Coupling Sleeves |
| Other Names | Couplings, Drill Rod Couplings, Drill Coupling Sleeve, |
| Material | Structural Alloy Steel |
| Application | Tunneling , Mining , Quarrying, Blasting and Infrastructure Construction Facedrilling and Bolting, Bench Drilling, Production drilling, Long hole drilling, Drifting |
| Thread | R25, R32, R35, R38, T38, T45, T51 |
| Coupling Type | Standard Couplings (Semi bridge Couplings) Full bridge Couplings Crossover Couplings (Adapter Couplings, Reduction Couplings, Reducer Coupling) |
| Diameter | 33~72mm |
| Length | 150mm~235mm |
| Custom Design | Thread, Diameter, Length can be customized |
| O.D.(mm) | Length(mm) | Thread |
| 45 | 150 | R32 |
| 45 | 160 | R32 |
| 45 | 160 | R32 |
| 45 | 170 | R32 |
| 45 | 170 | R32 |
| 55 | 160 | R32-R38 |
| 55 | 170 | R32-R38 |
| 55 | 170 | R32-R38 |
| 55 | 170 | R32-R38 |
| 55 | 170 | R32-R38 |
| 55 | 180 | R32-R38 |
| 55 | 210 | R32-R38 |





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Top Hammer Drilling Tools R32-R38 Rock Drilling Coupling Sleeves for Extension Rod Images |