Extension Rods / MM Rods
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Top hammer drilling tools
This extension rod is made with a large diameter. It features excellent holing performance and can be used with large hydraulic drilling jumbo. That’s why this drilling rod is applicable for underground mining and infrastructure construction.
| Extension Rod | L | D | Thread | Product Code | Weight Kg | ||
| mm | Foot | mm | Inch | ||||
| 915 | 3 | 32 | 1 1/4 | R32 | 280-3209-5454 | 4.8 |
| 1220 | 4 | 32 | 1 1/4 | R32 | 280-3212-5454 | 6.5 | |
| 915 | 3 | 32 | 1 1/4 | R32 | 290-3209-5454 | 5.5 |
| 1220 | 4 | 32 | 1 1/4 | R32 | 290-3212-5454 | 7.3 | |
| 1525 | 5 | 32 | 1 1/4 | R32 | 290-3215-5454 | 9 | |
| 1830 | 6 | 32 | 1 1/4 | R32 | 290-3218-5454 | 10.5 | |
| 1220 | 4 | 46 | 1 3/4 | R32 | 200-4612-5454 | 10 |
| 1525 | 5 | 46 | 1 3/4 | R32 | 200-4615-5454 | 12.5 | |
| 1830 | 6 | 46 | 1 3/4 | R32 | 200-4618-5454 | 14.2 | |
| Extension Rod | L | D | Thread | Product Code | Weight Kg | ||
| mm | Foot | mm | Inch | ||||
| 1220 | 4 | 39 | 1 1/2 | T38 | 280-3912-7676 | 10 |
| 1220 | 5 | 39 | 1 1/2 | T38 | 280-3915-7676 | 12.4 | |
| 1525 | 6 | 39 | 1 1/2 | T38 | 280-3918-7676 | 14.9 | |
| Extension Rod | L | D | Thread | Product Code | Weight Kg | ||
| mm | Foot | mm | Inch | ||||
| 1525 | 5 | 46 | 1 3/4 | T45 | 280-4615-7777 | 16.2 |
| 1838 | 6 | 46 | 1 3/4 | T45 | 280-4618-7777 | 19.5 | |
| Extension Rod | L | D | Thread | Product Code | Weight Kg | ||
| mm | Foot | mm | Inch | ||||
| 1830 | 6 | 52 | 2 | T51 | 280-5218-7878 | 25.3 |
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