Home ProductsRock Drilling Tools

Tunneling Drill Bit Shank

Tunneling Drill Bit Shank

Tunneling Drill Bit Shank
Tunneling Drill Bit Shank
Tunneling Drill Bit Shank
Product Details:
Place of Origin: China
Brand Name: MIROC
Model Number: 4148300458
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
Contact Now
Detailed Product Description
High Light:

stone drilling tools


rock drill tools


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: Based on Customer requirements

Material: Tungsten carbide and high strength alloy steel

Processing: CNC milling and proprietary heat treatment process

Type: R28 Pilot Adapter 6°


• 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


Part Number Bit Diameter (mm) Bit Diameter (inch) Tip Size (W x H, mm)
4148300458 26 1     12x8



Product Code and Brief Description Angle Front Flushing Holes Side Flushing Holes



PA126-6D-R28, R28 Pilot Adapter 6° - - - 1.5


Contact Details
KSQ Technologies (Beijing) Co. Ltd

Contact Person: Yingkai

Tel: +8618501231988

Send your inquiry directly to us (0 / 3000)

Best Products
Other Products