Extension Rods / MM Rods
Top hammer drilling tools
Extension Rods / MM Rods
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.
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| 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 |
SANDCO is a trusted manufacturer of rock drilling tools with focus on R&D, manufacture and supply of a variety of high quality drilling consumables. For the past years, we have manufactured and supplied a complete range of top hammer drill tools and DTH drill tools for different applications including mining, quarrying, construction and tunneling. As a reliable drilling tools manufacturer, we are constantly searching for ways to improve the quality of rock drilling tools and deliver unparalleled services to win customers' satisfaction.
