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R28 Reaming Drill Bit Stone Drill Bits CNC Tunneling Mining Quarrying Construction
R28 Reaming Drill Bit Stone Drill Bits CNC Tunneling Mining Quarrying Construction
R28 Reaming Drill Bit Stone Drill Bits CNC Tunneling Mining Quarrying Construction
R28 Reaming Drill Bit Stone Drill Bits CNC Tunneling Mining Quarrying Construction
R28 Reaming Drill Bit Stone Drill Bits CNC Tunneling Mining Quarrying Construction
R28 Reaming Drill Bit Stone Drill Bits CNC Tunneling Mining Quarrying Construction
Specifications
Brand Name :
MIROC
Model Number :
4148300452-4148300457
Place of Origin :
China
MOQ :
50
Payment Terms :
T/T or L/C
Supply Ability :
20000 pieces per month
Delivery Time :
25 days
Packaging Details :
Carton Box or Wooden Box
Price :
negotiation
Description

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

(No. x mm)

Gauge Buttons

(No. x mm)
4148300452 64 2 1/2 2x10 8x9
4148300453 64 2 1/2 4x8 8x9
4148300454 76 3 2x11 8x11
4148300455 76 3 4x10 8x10
4148300456 89 3 1/2 4x11 8x11
4148300457 89 3 1/2 4x10 8x10

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

R28 Reaming Drill Bit Stone Drill Bits CNC Tunneling Mining Quarrying Construction

Product tags

coal mining drill bits

,

tricone drill bits for mining

,

mining drill bit
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R28 Reaming Drill Bit Stone Drill Bits CNC Tunneling Mining Quarrying Construction

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Product Detail
Brand Name :
MIROC
Model Number :
4148300452-4148300457
Place of Origin :
China
MOQ :
50
Payment Terms :
T/T or L/C
Supply Ability :
20000 pieces per month
Contact Supplier
video
R28 Reaming Drill Bit Stone Drill Bits CNC Tunneling Mining Quarrying Construction
R28 Reaming Drill Bit Stone Drill Bits CNC Tunneling Mining Quarrying Construction
R28 Reaming Drill Bit Stone Drill Bits CNC Tunneling Mining Quarrying Construction

KSQ Technologies (Beijing) Co. Ltd

Verified Supplier
12 Years
beijing, beijing
Since 2009
Business Type :
Manufacturer, Exporter
Main Products :
Rock Drilling Tools, DTH Drilling Tools, Button Drill Bit
Total Annual :
3000000-5000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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