Button Bits
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HAOQUAN offers high quality of tapered drilling equipments , the main products are including tapered chisel bits and tapered button bits and tapered drill steel .the products made with high quality of raw material through special heat treatment ,various type suitable for afferent work site, Diameter of bits from 28mm to 45mm with 4 、6、7、11、12 degree, tapered drill steel with Hex.22mm and Hex.25mm, The deliver capacity are very strong and can completely meet customer’s requirements on delivery design.
| Drill Type | Bit Diameter | Buttons,mm | Taper | Water Hole | 图号 | Rock formation | ||
| mm | Guage | Front | Angle | |||||
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36 | 3×8 | 1×8 | 25° | 7° | 2 | Q436-722 | For soft and middle hard formations |
| 38 | 3×8 | 1×8 | 25° | 7° | 2 | Q438-722 | ||
| 40 | 3×9 | 1×8 | 25° | 7° | 2 | Q440-722 | ||
| 42 | 3×9 | 1×9 | 25° | 7° | 2 | Q442-722 | ||
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32 | 3×8 | 1×8 | 25° | 7° | 3 | Q432-722 | For soft and abrasive rock.front and side flushing |
| 34 | 3×8 | 1×8 | 25° | 7° | 3 | Q434-722 | ||
| 36 | 3×8 | 1×8 | 25° | 7° | 3 | Q436-722 | ||
| 38 | 3×9 | 1×8 | 25° | 7° | 3 | Q438-722 | ||
| 40 | 3×9 | 1×8 | 30° | 7° | 3 | Q440-722 | ||
| 42 | 3×9 | 1×9 | 30° | 7° | 3 | Q442-722 | ||
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32 | 5×7 | 2×7 | 35° | 7° | 3 | Q732-722 | For medium hard to hard rock .front and side flushing |
| 34 | 5×7 | 2×7 | 35° | 7° | 3 | Q734-722 | ||
| 36 | 5×9 | 2×8 | 35° | 7° | 3 | Q736-722 | ||
| 40 | 5×9 | 2×9 | 35° | 7° | 3 | Q745-722 | ||
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