Coring

CORE DRILL – SHIBUYA

Core drills are specialized tools used to create circular holes in materials like concrete, stone, and asphalt, often while extracting a sample of the material. They are commonly used in construction, mining, and material testing to create openings for utilities, install pipes, or analyze material properties. 

Here’s a more detailed overview:
  • Function:
    Core drills use a hollow, rotating drill bit with a cutting edge (often diamond-tipped for harder materials) to bore a circular hole and simultaneously extract a cylindrical core of the material. 

  • Applications:
    • Construction: Creating holes for pipes, conduits, electrical wiring, and other utilities. 
    • Material Testing: Extracting core samples for laboratory analysis to assess quality, strength, and composition. 
    • Mining: Exploring and mapping subsurface formations and extracting rock samples. 
    • Other uses: Creating openings in walls, floors, and ceilings, and for cutting through various materials like concrete, stone, and even wood. 
  • Key Features:
    • Hollow Drill Bit: Allows for extraction of the core sample. 
    • Cutting Edge: Diamond-tipped bits are common for hard materials like concrete and stone. 
    • Variable Speed Control: Allows for adjusting drilling speed based on the material and application. 
    • Cooling Mechanisms: Water-cooled bits (wet drilling) are often used to extend the life of the bit and create a cleaner, dust-free environment. 
  • Benefits:
    • Precise Holes: Can create clean, accurate holes in various materials. 
    • Sample Extraction: Allows for analysis of the extracted core sample. 
    • Minimal Disturbance: Can minimize damage to the surrounding structure

 

Shibuya Core Drill H2021/H2022, 2 Speed Motor and Angle Stand

Features:

  • Ideal machine for middle size jobs.
  • Multi-position water swivel inlet for convenience.
  • Right and left-hand feed handle positions.
  • Built-in on/off switch with low voltage drop-out and motor overload protection.
  • Portable Residual Current Device (P.R.C.D.) automatically shuts off electricity in the event of electric leakage. (220-240 V only)
  • Two motor available: H1721 (Normal)/ H1722 (Small diameter).
  • Includes water collector ring.
  • Normal Stand Column: 800 mm (31″) with 488 mm (19″) stroke. Long Column: 1000 mm (39″) with 688 mm (27″) stroke. Angle Drill AB52 Column: 1000 mm (39″) with 688 mm (27″) stroke.
  • 50 x 50 mm (2″ x 2″) square column.
  • Tool kit including wrenches and allen keys.

 

Specifications:

  • Rated Input: 2700W (100V), 2300W (110-120V), 3450W (220-240V)
  • Voltage: AC 100V, 110-120V, 50/60Hz
  • Speed: 2
  • Spindle Revolutions at No Load: 470/1050 rpm (H2021 100V), 450/950 rpm (H2021 110V-120V), 550/1200 rpm (H2021 220-240V)
  • Spindle Revolutions at Rated Load: 320/720 rpm (H2021 100V), 310/680 rpm (H2021 110V-120V), 300/730 rpm (H2021 220-240V)
  • Spindle Thread: UNC 1 – 1/4″, A Rod
  • Available Stroke: 493mm, 693mm (1003L), 680mm (AB52)

 

CORE BARRELS SOLD SEPERATELY