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12 CNC Milling Button Drill Bit Rock Drill Bits For Tunneling
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Product Details
| Brand Name | MIROC | Place of Origin | China | |
| Model Number | 4148300255-4148300270 |
Product Description
12° CNC Milling Button Drill Bit Rock Drill Bits For Tunneling
Description
Tapered equipment affords drillers the ability to change drilling bits whilst still using the same drilling rod. Drillers choose tapered button bits for faster drilling penetration rate. Different taper sizes have different characteristics when it comes to the “knock-off” index – the smaller angle will prevent the bit from spinning.
• Suitable for small hole range
• Widely used in Dimensional Stone Quarrying Industry
• Widely used in Underground Mining Industry
Color: Green or Based on Customer requirements
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
Type: 12° Tapered Button Bit Short Skirt
Applications
• Dimensional Stone Industry
• Underground Mining
• Tunneling
Competitive Advantage
• High grade tungsten carbide inserts
• Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
specification
| Part Number | Bit Diameter (mm) | Bit Diameter (inch) |
Front Buttons (No. x mm) |
Gauge Buttons (No. x mm) |
| 4148300255 | 28 | 1 1/9 | 1x7 | 3x7 |
| 4148300256 | 28 | 1 1/9 | 1x7 | 4x7 |
| 4148300257 | 29 | 1 1/7 | 1x7 | 3x7 |
| 4148300258 | 30 | 1 1/6 | 1x7 | 3x7 |
| 4148300259 | 30 | 1 1/6 | 1x7 | 4x7 |
| 4148300260 | 30 | 1 1/6 | 2x7 | 4x7 |
| 4148300261 | 32 | 1 1/4 | 2x7 | 5x7 |
| 4148300262 | 33 | 1 2/7 | 2x7 | 5x7 |
| 4148300263 | 34 | 1 1/3 | 2x7 | 5x8 |
| 4148300264 | 35 | 1 3/8 | 2x7 | 4x7 |
| 4148300265 | 35 | 1 3/8 | 2x7 | 5x8 |
| 4148300266 | 35 | 1 3/8 | 2x7 | 5x9 |
| 4148300267 | 36 | 1 3/7 | 2x7 | 5x9 |
| 4148300268 | 37 | 1 4/9 | 2x7 | 5x9 |
| 4148300269 | 38 | 1 1/2 | 1x9 | 5x9 |
| 4148300270 | 38 | 1 1/2 | 2x7 | 5x9 |
| Product Code and Brief Description | Angle |
Front Flushing Holes |
Side Flushing Holes |
Weight (kg) |
| BS428-12D-22, 12° Tapered Button Bit, Short Skirt | 20° | 1 | 1 | 0.2 |
| BS528-12D-22, 12° Tapered Button Bit, Short Skirt | 35° | 1 | 1 | 0.2 |
| BS429-12D-22, 12° Tapered Button Bit, Short Skirt | 40° | 1 | 1 | 0.21 |
| BS430-12D-22, 12° Tapered Button Bit, Short Skirt | 40° | 1 | 1 | 0.22 |
| BS530-12D-22, 12° Tapered Button Bit, Short Skirt | 35° | 1 | 1 | 0.22 |
| BS630-12D-22, 12° Tapered Button Bit, Short Skirt | 30° | 1 | 1 | 0.22 |
Contact Us
- KSQ Technologies (Beijing) Co. Ltd
- Contact nameMrs. Zhao Chat Now
- Phone86-10-60714361
- AddressRm 705, Unit 2, Building 6, Jialian Plaza, Liaocheng, Shandong
Product Categories
| Button Drill Bit | Chisel Drill Bit | Cross Bits | Drill Coupling |
| DTH Drilling Tools | Reaming Drill Bit | Retractable Drill Bit | Rock Drilling Tools |
| Threaded Drill Rod |
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