4.5 Inch ST58 Spherical Rock Button Drill Bit For CNC Milling Drill Bits
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
4.5 Inch ST58 Spherical Rock Button Drill Bit For CNC Milling Drill Bits
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4.5 Inch ST58 Spherical Rock Button Drill Bit For CNC Milling Drill Bits
Description
This type of bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.
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• Widely used in bench and long hole drilling
• Bit face design is ideal for medium-hard to hard abrasive rock
Color: Green or Based on Customer requirements
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
Type: ST58 Button Bit Spherical Buttons
Applications
• Underground mining
• Tunneling
• Quarry
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) |
| 4148300965 | 89 | 3 1/2 | 6x12 | 8x12 |
| 4148300966 | 89 | 3 1/2 | 6x13 | 8x13 |
| 4148300967 | 89 | 3 1/2 | 4x13, 1x13 | 8x13 |
| 4148300968 | 89 | 3 1/2 | 4x12, 2x12 | 8x12 |
| 4148300969 | 95 | 3 3/4 | 4x13, 1x13 | 8x14 |
| 4148300970 | 102 | 4 | 6x14 | 8x14 |
| 4148300971 | 102 | 4 | 6x13 | 8x16 |
| 4148300972 | 115 | 4 1/2 | 6x14 | 8x16 |
