Xi'an Huizhong Mechanical Equipment Co., Ltd.
Xi'an Huizhong Mechanical Equipment Co., Ltd.
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Taper drill rods and taper drill bit for mining,quarry drilling
Product Application of Taper drill bit
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
Product data of Taper drill bit
| 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 |
