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Core Drill Bit Extension 12 Inch, Diamond Core Bits Extension with 1-1/4”-7 Thread, Round Core Bit Extension for Use with Core Drill Bit for Drilling Concrete, Reinforced Concrete (Round)

4.7 (1) Write Review
Free shipping on orders over $29.99

$44.99

$ 23 .99 $23.99

In Stock

1.Style:Round


About this item

  • {Core Drill Bit Extension Specification} 12 inch length standard core drill bit extension with 1 1/4"-7 thread for use with diamond core drill bits.
  • {High Quality} Chemical black coating on the surface of core drill bit extension for rust protection and long term preservation. High grade steel, strong and durable.
  • {Wide Application} Core drill bit extensions are Convenient for fast assembling for diamond core drill bits to drill deeper in concrete, reinforced concrete, brick, block and masonry.
  • {Drilling method} Compatibile with 1-1/4”-7 thread core drill bits and drilling machines. Work both dry and wet with core drill.
  • {Humanized Service} Any product use and quality problems in the process of drilling bits, please consult us in time, we hope that you have a pleasant shopping experience.


Product Description

core drill bit
HBKEEN
core drill bit

core drii bit

Wet diamond core drill bits

High-quality drill bits can drilling be both fast and steady.

core drill bit

1-1/4"-7 Universal Thread

This diamond core drill is compatible with most drilling machines on the market.

core drill bit

Laser welding

Strong and reliable connection the welded joint is secure and not prone to loosening.


Guido
Reviewed in Canada on September 29, 2024
This extension is nice that it has the hex profile from one end to the other. But it is heavy.
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