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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
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: Yingkai

Tel: +8618501231988

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