SKU: 7684391772

TORK CRAFT ANNULAR HOLE CUTTER HSS 48 X 30MM BROACH SLUGGER BIT TCAC048-1

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Description

TORK CRAFT ANNULAR HOLE CUTTER HSS 48 X 30MM BROACH SLUGGER BIT TCAC048-1Annular Cutters 30mm Annular Cutter: 48 mm One way to avoid dimpling and deburring while making holes in tube and pipe is to use annular cutters. Because annular cutters are hollow on the inside, there is no dead zone resistance to overcome. Using a twist drill to make holes in pipe or tubing can prompt concerns about the hole roundness, location accuracy, hole finish, chip extraction, burrs, and drilling duration. The focal point of these concerns is

Annular Cutters 30mm

Annular Cutter: Ø 48 mm

One way to avoid dimpling and deburring while making holes in tube and pipe is to use annular cutters. Because annular cutters are hollow on the inside, there is no dead-zone resistance to overcome.

Using a twist drill to make holes in pipe or tubing can prompt concerns about the hole roundness, location accuracy, hole finish, chip extraction, burrs, and drilling duration.

The focal point of these concerns is the twist drill's most noticeable feature; its point. This is not really a point at all, but the tangent line where two cutting angles intersect at the web of the drill, or the so-called 'dead zone.' This dead zone causes the surface speed of the cutting edges to drop to zero.

The lower surface speed reduces cutting efficiency and requires increased thrust, or feed pressure, for the cutting edges to push through the material.

Compared to traditional tooling (twist drills, etc.) annular cutters can multiply your cutting speed by up to 3 times while getting a longer tool life, a more accurate hole, a better finish, with no burrs. The cutting edges distribute the cutting load evenly, thus making it faster cutting.

Annular cutters convert a smaller area to chips, requiring less horsepower and thrust. This feature provides longer tool life and less chatter. The slug also offers a higher scrap value than loose chips and shavings.

Definition - Annular
'Ring-shaped' or 'forming a ring'. From the latin word annulus

Features and Benefits

  • Perfect stable start
  • Conical surface inside
  • Precise centre pilot fitting
  • Ground clamp surface
  • Faster, because every tooth cuts
  • More accurate
  • Greater drill depth
  • Stronger, therefore less fragile
  • Guaranteed slug ejection

At a glance

  • Annular Cutters drill a burr-free finished hole by cutting only the material around the periphery of the hole. This forms a solid slug which will fall out.
  • Less time and energy are consumed per hole
  • Faster feed rates are achieved with more cutting teeth and less tool wear
  • Lighter, less powerful drilling equipment can be used
  • Able to drill holes which are difficult or impossible to do accurately with conventional twist drill tooling - with no pre-drilling or step drilling required.

consider safety for your health and the people around you

General safety suggestions:

It is advisable to always have the following items nearby and in a good condition

  • Eye protection clean and scratch free
  • Hearing protection quality earmuffs
  • Dust masks discard old and dirty masks
  • Gloves for easy handling of material and hand protection
  • Wear safety shoes - foot injury is a serious matter
Wear Gloves
Eye Protection
Hearing Protection
Safety Shoes


TCAC048-1Drilling > Steel/Metals > Annular/Broach/Weldon Shank
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SKU: 7684391772

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Chris
Boise, US
★★★★★ 5
Excellent pre WW2 Churchill primer.
Format: Hardcover
This author has done an excellent job of explaining the role Churchill played in preparing Britain for WW2 despite being out of government for most of the 1930’s. The author is a curator and historian who has managed the collections at Chartwell, Churchill’s home during that time. Very well researched and easy to read. Anyone who studies 20th Century European history needs to read this book.
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Reviewed in the United States on February 6, 2025
P
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PrairieVillageSteve
West Palm Beach, US
★★★★★ 4
Book for Churchill fans
Format: Hardcover
Not an introduction to Churchill but fills out a period of his life that is often overlooked. Some fascinating insights into people who visited Chartwell. I really enjoyed this book, but it's not for everyone.
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Reviewed in the United States on February 7, 2025
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J A.
Charlottesville, US
★★★★★ 5
An excellent addition to the library of books about the life of Churchill.
Format: Hardcover
Excellent story of Churchill's years in the wilderness, warning of the growing threat of Nazi Germany from 1932 to the early of the war. Thoroughly researched and well written, given the complexities of what was going on contemporaneously.
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Reviewed in the United States on February 10, 2025
A
Verified Purchase
Andrew Maile
Phoenix, US
★★★★★ 5
Just like the PBS series....
Format: Hardcover
This book is a step, or two, deeper into the 'wilderness years' than the PBS series by the same name. But frankly, the series, available on YouTube, is a better buy (it's free) for the money and quite entertaining due to its great casting with folks like Robert Hardy, Sian Phillips, and Eric Porter. But, if you're a reader, this book is worth the effort and cost.
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Reviewed in the United States on March 6, 2025
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Flying the flag on a golf cart in TX
Grantham, US
★★★★★ 5
A great book about a great estate and the great man who inhabited it.
Format: Kindle
Carter does a superb job of accurately recounting the history of Chartwell and the people and events that made it such a special place.
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Reviewed in the United States on June 20, 2025

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