What is a cold chisel?

Asked By: Bassirou Fachadas | Last Updated: 13th January, 2020
Category: hobbies and interests woodworking
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A cold chisel is a tool made of tempered steel used for cutting 'cold' metals, meaning that they are not used in conjunction with heating torches, forges, etc. The name cold chisel comes from its use by blacksmiths to cut metal while it was cold as compared to other tools they used to cut hot metal.

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Similarly, what is a cold chisel for concrete?

A cold chisel is the right hand tool for breaking up small areas of concrete. Demolishing concrete is a heavy-duty task that calls for heavy-duty tools. Most concrete demolition projects call for the use of a jack hammer or hammer drill.

Beside above, what is the difference between a hot chisel and a cold chisel? A hot chisel is exclusively used in blacksmithing. It is used to cut and shape red-hot steel pieces. They are of roughly the same size and shape as cold chisels, but feature a blade that is cut at a 30-degree angle, making them virtually useless for other cutting tasks.

Hereof, what is a cold chisel made of?

Cold chisels are made from carbon tool-steel, which is usually octagonal in cross-section. Tool-steel is used as it can be hardened to form a hard and tough cutting edge. To make a cold chisel heat the end of the bar of tool steel until it is bright red and hammer to the desired shape.

What are the types of cold chisel?

The four most useful shapes for cold chisels are the flat chisel, cape chisel, round-nose chisel and the diamond-point chisel. The flat chisel has a flat, wedge-shaped cutting edge that is ground on both sides to a 60-degree angle.

33 Related Question Answers Found

What is a cold chisel tool used for?

A cold chisel is a tool made of tempered steel used for cutting 'cold' metals, meaning that they are not used in conjunction with heating torches, forges, etc.

What does a cold chisel look like?

Made of hardened steel, cold chisels have a beveled cutting edge and an octagon-shaped handle. The cold chisel has a flat cutting edge, but related chisels are wedge-shaped (cape chisel), half-round, diamond-shaped, or round. They can also be used to cut sheet metal.

What is a concrete chisel?

Concrete Chisel is designed to break up concrete floors, sidewalks and paving slabs when an air hammer would be impractical. The target guard provides protection for your hand from glancing blows and missed hits.

How do you use cold chisel?

Always use a cold chisel that's slightly wider than what you're cutting. Wet the chisel's edge with a drop of machine oil. That lubrication helps it slip through hardened metal grains. Hold the chisel with your thumb and index finger (as shown), place the edge on the metal, and strike it with a ball-peen hammer.

What is the best chisel for concrete?


The 6 Best Concrete Chisels
  1. Makita 3 Piece. REVIEW.
  2. Stanley FatMax FMHT16578. REVIEW.
  3. Maxpower All Purpose. REVIEW.
  4. Lestino Flat End. REVIEW.
  5. Mayhew Select 80205. REVIEW.
  6. Finder Heavy Duty. REVIEW. The Finder Heavy Duty (around $19) is made of durable, chrome-vanadium steel that stands up to heavy use and is resistant to rust.

How do you break concrete by hand?

Swing the Sledgehammer by Letting It Fall
Lightly sprinkle the concrete with water. With one hand, grasp the sledgehammer by the handle as close to the sledgehammer's head as possible. Keep your other hand toward the end of the handle. Lift the hammer as high as possible, but not directly over your head.

How do you cut concrete by hand?

Cutting Concrete With Hands
  1. Mark the Cut Area. Use a pencil to draw the area that will be cut away from the concrete.
  2. Use a Hammer and Chisel. In one hand, take a chisel and place the edge at one end of the mark in the concrete.
  3. Use an Angle Grinder. After creating the groove, use an angle grinder to begin cutting into the groove along the mark.

What are the types of chisels?

Below is a guide to the most common types of wood chisel and their uses.
  • Firmer Chisel. The definition of a firmer chisel has changed over the years.
  • Bench Chisel. Bench chisels are the first port of call with wood chisels.
  • Butt Chisel.
  • Pairing Chisel.
  • Mortise Chisel.
  • Dovetail Chisel.
  • Corner Chisel.
  • Framing Chisel.

Which chisel should never be used with a mallet?

Paring chisels
The long thin blades are flexible and the cutting edge is sharpened to the low 15º angle to provide the smoothest of cuts. These tools almost always have tang handles and are never struck with a mallet.

What is diamond chisel?


Definition of diamond-point chisel
: a cold chisel having a diamond-shaped cutting face for cutting V grooves or sharp internal corners.

What do you hit a chisel with?

Shop for Hammers
As mentioned earlier, chisels cut into materials when they are struck with a hammer. As a general rule, you should use a hammer with double the surface area of the head of the chisel you wish to hit.

What angle do you sharpen chisels at?

Standard bench and butt chisels are traditionally ground at the factory to 25°, and this is fine for most work, but the edge will last longer if you add a 5° microbevel to make a 30° cutting angle.

What is dovetail chisel?

The Narex Dovetail Chisels are a set of three chisels that are designed for getting into the close corners of dovetails and are modeled after the traditional Japanese style chisels. Narex Dovetail Chisels have a triangular cross-section that's excellent for removing waste between tails of a dovetail joint.

When would you normally use a pin punch?

They feature a similar long head like a pin punch with the difference being that they have slight bump at the tip permitting insertion into a rolled pin. Taper Punches-designed for loosening and driving pins. Taper punches can also be used to align existing holes in two or more work pieces prior to bolting or riveting.

What is a cape chisel?


Definition of cape chisel. : a cold chisel that has a long taper on the top and bottom of the cutting end and a narrow edge and is used for cutting keyways and similar flat grooves.

What is half round chisel?

The definition of half-round chisel in the dictionary is a cold chisel with a semicircular cutting edge used for making narrow channels.

Can you use a cold chisel on wood?

You can use Cold Chisels on wood, but never use it to cut Masonry. It is harder than metal, and there are other types of Chisels for that job. Cold Chisels are from hardened steel that features beveled cutting edge and an octagon-shaped handle.