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Name | Tungsten steel cross drill bit | Borehole depth | 18m |
Hole diameter | 38-60mm | Weight | 0.5kg |
Overall dimension | 38-60mm | Pipe type | B19/B22 |
Vertical shaft speed | 80 RPM | Spherical tooth material | Tungsten steel alloy(YG9C/YK20) |
Custom | Acceptable customization | Column material | Nickel steel |
Color | Primary colors, yellow, green,Black | Usage | Mining quarrying, drilling perforations, engineering tunnels |














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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