32Mm 34mm 36mm 38mm 40mm 42mm tapered button bits for quarry tunnel bench drilling
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Tapered button bit to drill quarry granite rock
Bit diameter: 32mm to 42mm
Body height: 50mm, 55mm,60mm
Taper/Grade: 6 degree, 7 degree, 11 dregree, 12 degree
Shank Diameter: for Hex22 tapered rod
| Taper button bit - For 22 mm (7⁄8") hex. Rod |
 | Bit Diameter | mm | 32 | 33 | 34 | 35 | 36 | 38 | 40 | 42 |
| inch | 1 1/4 | 1 2/7 | 1 1/3 | 1 3/8 | 1 3/7 | 1 1/2 | 1 4/7 | 1 2/3 |
 | Tungsten Carbide Button Number | 4, 6, 7 |
| Taper/Grade | 6,7,11,12 degree |
| Part Number | Bit Diameter | Tungsten Carbide Button (No. x mm) |
| (mm) | (inch) | Front Buttons | Gauge Buttons |
| 4148300157 | 32 | 1 1/4 | 1x8 | 3x8 |
| 4148300158 | 33 | 1 2/7 | 2x7 | 5x7 |
| 4148300159 | 34 | 1 1/3 | 2x7 | 4x7 |
| 4148300160 | 35 | 1 3/8 | 2x7 | 5x8 |
| 4148300161 | 36 | 1 3/7 | 1x8 | 3x9 |
| 4148300162 | 36 | 1 3/7 | 2x7 | 5x8 |
| 4148300163 | 38 | 1 1/2 | 1x8 | 3x9 |
| 4148300164 | 38 | 1 1/2 | 2x7 | 5x8 |
| 4148300165 | 38 | 1 1/2 | 2x7 | 5x9 |
| 4148300166 | 40 | 1 4/7 | 1x8 | 3x9 |
| 4148300167 | 40 | 1 4/7 | 1x9 | 3x10 |
| 4148300168 | 40 | 1 4/7 | 1x9 | 3x9 |
| 4148300169 | 40 | 1 4/7 | 2x7 | 5x9 |
| 4148300170 | 42 | 1 2/3 | 1x8 | 3x9 |
| 4148300171 | 42 | 1 2/3 | 1x9 | 3x10 |
| 4148300172 | 42 | 1 2/3 | 1x9 | 3x9 |
| 4148300173 | 42 | 1 2/3 | 2x8 | 5x9 |
drill bit | broca | broca | foret | Bohrer | matkap ucu | punta da trapano | boorpunt | jesie | boret drill bit | broca | broca | foret | Bohrer | matkap ucu | punta da trapano | boorpunt | jesie | boret tapered tungsten carbides knock off drill bit
Wooden box Package:
Our Services
KSQ Technologies (Beijing) Co. Ltd. is a best supplier of quality products,
selling worldwide with it's compeititive prices, professional suggestion and rich exporting experience.
offers the best in cost and performance.
Our products include:
- Integral Drill Rods
- Tapered Drilling Tools
- Threaded Drilling Tools
- Down-the-hole (DTH) Drilling Tools
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32Mm 34mm 36mm 38mm 40mm 42mm tapered button bits for quarry tunnel bench drilling Images
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