64mm 76mm R28 Stone Drill Bits CNC Milling Reaming Button Drill Bit
64mm 76mm R28 Stone Drill Bits CNC Milling Reaming Button Drill Bit
Description
Reaming bit functions to enlarge a borehole and it is designed with a drill portion and a reamer portion. The drill portion is formed by cutting edges at the end of a plurality of flutes, and the reamer portion includes a first relief formed on each flute surface disposed at a predetermined angle with respect to the flute surface to form a first reamer cutting edge. A second relief is formed contiguous with the first face on each reamer portion and is disposed at a second angle, less than the first angle with respect to the flute surface.
Color: Green,Blue or Based on Customer requirements
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
Type: R28 Reaming Bit 6
Applications
• 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
| Product Code and Brief Description | Angle |
Front Flushing Holes |
Side Flushing Holes |
Weight (kg) |
| RE1064-6D-R28, R28 Reaming Bit 6° | 35° | - | - | 0.8 |
| RE1264-6D-R28, R28 Reaming Bit 6° | 25° | - | - | 0.8 |
| RE1076-6D-R28, R28 Reaming Bit 6° | 35° | - | - | 1.2 |
| RE1276-6D-R28, R28 Reaming Bit 6° | 30° | - | - | 1.2 |
| RE1289-6D-R28, R28 Reaming Bit 6° | 35° | - | - | 1.7 |
| RE1289-6D-R28, R28 Reaming Bit 6° | 30° | - | - | 1.7 |
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