Xi'an Huizhong Mechanical Equipment Co., Ltd.
Xi'an Huizhong Mechanical Equipment Co., Ltd.
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T45 76mm 82mm 89mm 115mm Hydraulic top hammer button rock drilling bits
Top hamme
Small hole tapered ground drill bit is the most popular tapered drill bits with a wide selection of head diameters from 26mm to 48mm . With carbide buttons hot pressed on the bit skirts , tapered button bits have a good drilling performance and are excellent in longevity .
We manufacture various tapered button bits in different degrees as below :
Bit diameter: 32mm ~ 41mm ;
Tapered degree : 4°46’ , 6° , 7° , 11°, 12° ;
Shank sizes: Hex . 19mm , Hex , 22mm and Hex . 25mm ;
Buttons configuration : 4 buttons , 5 buttons , 6 buttons , 7 buttons , 8 buttons
2 Product Data of Rock Drilling Bits
| Diameter | Buttons*De | Flushing hole | Skirt Length | ||
| mm | Gauge | Front | Side | Front | mm |
| 32 | 3x8mm | 2x7mm | 1 | 1 | 50,55,60 |
| 32 | 4x7mm | 2x7mm | 1 | 1 | 50,55,60 |
| 32 | 5x7mm | 2x7mm | 1 | 1 | 50,55,60 |
| 32 | 6x7mm | 2x7mm | 1 | 1 | 50,55,60 |
| 32 | 6x7mm | 2x7mm | 1 | 2 | 50,55,60 |
| 34 | 3x8mm | 2x7mm | 1 | 1 | 50,55,60 |
| 34 | 4x8mm | 2x7mm | 1 | 2 | 50,55,60 |
| 34 | 5x7mm | 2x7mm | 1 | 1 | 50,55,60 |
| 35 | 6x7mm | 2x7mm | 1 | 2 | 50,55,60 |
| 36 | 3x9mm | 1x8mm | 1 | 1 | 50,55,60 |
| 36 | 3x9mm | 2x7mm | 1 | 1 | 50,55,60 |
| 36 | 4x8mm | 2x7mm | 1 | 1 | 50,55,60 |
| 36 | 4x8mm | 2x7mm | 1 | 2 | 50,55,60 |
| 36 | 5x8mm | 2x7mm | 1 | 1 | 50,55,60 |
| 36 | 5x8mm | 2x7mm | 1 | 2 | 50,55,60 |
| 38 | 3x9mm | 1x9mm | 1 | 1 | 50,55,60 |
| 38 | 3x9mm | 2x7mm | 1 | 1 | 50,55,60 |
| 38 | 5x9mm | 2x7mm | 1 | 1 | 50,55,60 |
| 38 | 5x9mm | 2x7mm | 1 | 2 | 50,55,60 |
| 40 | 3x9mm | 1x9mm | 1 | 1 | 50,55,60 |
| 40 | 3x9mm | 2x7mm | 1 | 1 | 50,55,60 |
| 40 | 5x9mm | 2x7mm | 1 | 1 | 50,55,60 |
| 40 | 5x9mm | 2x8mm | 1 | 2 | 50,55,60 |
| 41 | 5x9mm | 2x8mm | 1 | 2 | 50,55,60 |
