Sign In | Join Free | My xxjcy.com |
|
Brand Name : MIROC
Model Number : R28-76mm Dome Thread Bit
Certification : ISO
Place of Origin : China
MOQ : 1
Price : Negotiation
Supply Ability : 20000pcs per month
Delivery Time : 15-20 days
Packaging Details : Standrad export packaging or customized
Material : Tungsten Carbide
Type : Reaming Drill Bit
Thread : R28, R32, R38, T45, etc.
Application : Metal Mine, Quarry, Dydro-electrical engineering, etc.
Bit Diameter : 64mm-89mm
Button Type : Soherical, Ballistic, Conical
Description
This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to the final size in combination with a pilot adapter.
• Widely used in drifting and tunneling
• R28 thread system
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
Part Number | Bit Diameter (mm) | Bit Diameter (inch) | Front Buttons | Gauge Buttons | Product Code and Brief Description | Angle | Front Flushing | Side Flushing | Weight |
(No. x mm) | (No. x mm) | Holes | Holes | (kg) | |||||
4148300452 | 64 | 2 1/2 | 2x10 | 8x9 | RE1064-6D-R28, R28 Reaming Bit 6° | 35° | - | - | 0.8 |
4148300453 | 64 | 2 1/2 | 4x8 | 8x9 | RE1264-6D-R28, R28 Reaming Bit 6° | 25° | - | - | 0.8 |
4148300454 | 76 | 3 | 2x11 | 8x11 | RE1076-6D-R28, R28 Reaming Bit 6° | 35° | - | - | 1.2 |
4148300455 | 76 | 3 | 4x10 | 8x10 | RE1276-6D-R28, R28 Reaming Bit 6° | 30° | - | - | 1.2 |
4148300456 | 89 | 3 1/2 | 4x11 | 8x11 | RE1289-6D-R28, R28 Reaming Bit 6° | 35° | - | - | 1.7 |
4148300457 | 89 | 3 1/2 | 4x10 | 8x10 | RE1289-6D-R28, R28 Reaming Bit 6° | 30° | - | - | 1.7 |
![]() |
R28 76mm Carbide Reaming Dome Threaded Button Bit For Rock Drilling Images |