Types of Hacksaw Blades, Classification & Uses

January 07, 2021

Types of Hacksaw Blades, Classification & Uses

Types of Hacksaw Blades, Classification & Uses

A hacksaw is a handy and user-friendly cutter that cuts objects quickly and precisely. Choosing an accurate Hacksaw Blade with the proper tooth per inch (TPI) and durable build is vital to supply easy, straight, and precise cutting. Although every hacksaw works in the same way, there are differences within these tools' blades. A hacksaw is supposed to be used on metal or pipe. The three sorts of hacksaw blades available are intended to be used on different types of metal, and it's essential to understand which is the right sort of blade for the work.

How to Use a Hacksaw?

There are two sorts of hacksaw frames: The primary features a fixed length while the opposite can take blades of various sizes. A hacksaw is used for cutting all kinds of metal. Where you've got the thin metal to chop, you'll only need a blade with fine teeth.

Parts of a Hacksaw

Following are the most two parts of a hacksaw:

  • Hacksaw frame
  • Hacksaw blade
  • Adjustable screw
  • Adjustable wingnut
  • Stud
  • Handle

Hacksaw Frame

In shape, it's just like the English letter "C." On one end of those arms, a handle is fixed, and on the opposite end, a pin is set. A hacksaw blade is fitted on the pins then it's tightened consistently with the help of a wing nut. There are two types of hacksaw frames:

  • Fixed Hacksaw Frame

For making this sort of hacksaw frame, a one-piece flat iron strip or pipe is bent at a right angle. In these sorts of hacksaw frames, only hacksaw blades of a selected size are often fixed, not of the short size or extended size. Two types of handles are used: Straight handle, Pistol type handle

  • Adjustable Hacksaw

Its structure may differ from a hard and fast frame in these sorts of hacksaw frames. The frame is formed in two parts. These parts are often adjusted at different distances. Therefore during this adjustable hacksaw, big and little hacksaw blades of various standards are often used.

Types of Hacksaw Blades

On the idea of metal of the work, differing types of hacksaw blades are utilized in a hacksaw. These are made from wolfram steel, hot-work steel, and that they are hardened and tempered. 

Their classification depends on three points:

  • Size of the blade.
  • The number of dents cut on the blade per inch.
  • Nature of the blade.

Following are the types of hacksaw blades:

  • Course Grade Hacksaw Blade

Hacksaw blade for Wood of this grade are employed to cut the thickness of low-carbon steel, copper, aluminum, and brass. It contains 14 to 18 teeth per inch.

  • Medium Grade Hacksaw Blade

This type of hacksaw blade is employed for cutting all types of metals like forged iron, alloy steel, aluminum, brass, high steel, etc. From 20 to 24 teeth per inch are cut during this hacksaw blade.

  • Fine Grade Hacksaw Blade

This type of hacksaw blade is especially used to cut thin pipes, sheets, tubes, etc.; it's 24 to 30 dents per inch.

  • Superfine Grade Hacksaw Blade

This hacksaw blade is used for cutting extraordinary solid metals and thin metal sheets. There are 30 to 32 dents per inch during this sort of hacksaw blade.

In all the hacksaw blades of varied grades mentioned above, teeth are cut on one or both sides.

  • Ail Hard Blade

Such blades are hardened and tempered only, except the ends having holes. These are used for cutting articles, forged iron or mold iron, etc.

  • Flexible Blade

Flexible blades are elastic, and there's less risk of their being broken. These blades are used for cutting thin sheets, pipes, curves, etc.

Setting of Teeth

Teeth of hacksaw blades are also bent to the left or right side as the ordinary saw is used to cut wood. Bending of teeth is understood because of the setting of teeth. With these teeth setting, the hacksaw blade cuts and squeezes the metal of slightly more thickness than that of the blade.

Therefore, due to this slot, the blade doesn't grind to a halt while operating it. If the setting isn't done, there's an excellent risk that the blade would grind to a halt within the metal and obtain broken.

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