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Model | B47 | B50 | B67 | B87 | B90 |
Overall Length | 550mm | 660mm | 615 mm | 686 mm | 745mm |
Overall weight | 21.5kg | 18kg | 30 kg | 39 kg | 34Kg |
Working pressure | 0.63mpa | 0.63mpa | 0.63mpa | 0.63 Mpa | 0.63 Mpa |
Percussion frequency | 21.6hz | 22 hz | 24 hz | 18 hz | 16HZ |
Air consumption | 23l/s | 33 l/s | 42 l/s | 55 l/s | 27L/s |
Bit tail specification | 25×108 mm | 25×108 mm | 25×108 mm | 32×152mm | 32×152mm |











1. Size: | Available in any size of 50mm-300mm.For example, 75mm, 91mm, 112mm, etc |
2. Drill bit type: | 8-tooth hollow core drill bit |
3. PDC tool size: | 1304,1308,1313 |
4. Valve body material: | C45#steel |
5. Applicable rocks: | mud rock, limestone, shale, sandstone,granite, etc. |
6. Color: | gray, gold, blue, green,or according to customer requirements |
Cutter size | 13X 8 mm | The smallest cutter suitable for the hardest rock information ,then the biggest cutter gets the fastest speed . | ||||
13X19 mm | ||||||
16X13 mm | ||||||
19X13 mm | ||||||






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