DUSL

LARGE DIAMETER CORE BIT

SHIBUYA DUSL Large Diameter Diamond Core Bit

The SHIBUYA DUSL Large Diameter Diamond Core Bit is specifically designed for professional large-diameter concrete coring applications ranging from 350mm to 600mm. Engineered for demanding construction and infrastructure projects, the DUSL series delivers exceptional drilling performance, stability, and reliability when coring large openings through reinforced concrete structures.

The DUSL features an advanced slit segment design that improves sharpness and drilling stability during the initial stage of coring. This innovative segment configuration enhances cutting efficiency, promotes smoother drilling performance, and significantly reduces the possibility of core bit jamming during operation.

Manufactured using premium-grade diamonds and high-quality steel tubes, the DUSL core bit provides excellent durability, fast penetration speed, and consistent cutting performance. It is ideal for creating large-diameter openings for utility services, ventilation systems, pipe installations, and structural modifications in reinforced concrete structures.

Key Features

  • Available in diameters from Ø350mm to Ø600mm
  • Advanced slit segment design
  • Improved drilling sharpness and stability
  • Reduced risk of core bit jamming
  • Fast and efficient cutting performance
  • High-quality diamond segments
  • Heavy-duty steel barrel construction
  • Excellent hole accuracy
  • Suitable for reinforced concrete drilling
  • Long service life and durability
  • Professional-grade large diameter coring solution
  • Made in Japan quality and reliability

Ideal Applications

  • Commercial building construction
  • High-rise developments
  • Industrial facilities
  • MRT and railway projects
  • Bridge and highway construction
  • Power generation plants
  • Water treatment facilities
  • Airport infrastructure projects
  • Tunnel construction works
  • Oil and gas facilities
  • Mechanical and electrical installations
  • Professional concrete coring contractors

Why Contractors Choose DUSL

  • The SHIBUYA DUSL is specifically developed for large-diameter coring where stability, cutting efficiency, and operational reliability are critical. Its unique slit segment technology improves starting performance while reducing vibration and the risk of bit binding during drilling.
  • The robust barrel construction provides excellent rigidity, helping maintain hole accuracy even during deep and large-diameter drilling applications. Combined with SHIBUYA's renowned manufacturing quality, the DUSL offers outstanding performance and long service life for professional contractors.
  • For contractors requiring reliable large-diameter coring solutions, the SHIBUYA DUSL delivers superior productivity, durability, and drilling confidence.

Recommended Usage

  • Large-diameter concrete coring
  • Reinforced concrete drilling
  • Ventilation duct openings
  • Mechanical service penetrations
  • Utility pipe installations
  • Large sleeve installations
  • Infrastructure coring works
  • Deep concrete drilling
  • Structural modification projects
  • Professional coring applications

Product Specification

SOCKET TYPE A Rod, UNC 1- 1/4"
MAX. DRILLING DEPTH (MM) 500mm
AVAILABLE SIZES (MM) 350 | 400 | 450 | 500 | 600
OUTER DIAMETER (MM) 350 | 400 | 450 | 500 | 600
INNER DIAMETER (MM) 342 | 392 | 442 | 492 | 592