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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
Product Details:
Place of Origin: China
Brand Name: MIROC
Model Number: 4148300452-4148300457
Payment & Shipping Terms:
Minimum Order Quantity: 50
Price: negotiation
Packaging Details: Carton Box or Wooden Box
Delivery Time: 25 days
Payment Terms: T/T or L/C
Supply Ability: 20000 pieces per month
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Detailed Product Description
High Light:

reamer drill bit

,

tungsten drill bits

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 0

Contact Details
KSQ Technologies (Beijing) Co. Ltd

Contact Person: Mr. Yingkai Zhang

Tel: +86 18501231988

Send your inquiry directly to us (0 / 3000)

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