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Hacksaw

 
Hacksaw

 
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A hacksaw is a fine-tooth saw with a blade
Blade

A blade is the flat part of a tool, weapon, or machine that normally has a cutting edge and/or pointed end typically made of a flaking stone, such as flint, or metal, most recently steel....
 under tension
Tension

Tension may refer to:In science:*Tension , a force related to the stretching of an object *Electrical tension, see voltage*High-tension, in electrical power transmissions wires which carry high-voltages...
 in a frame, used for cutting
Cutting

Cutting is the separation of a physical object, or a portion of a physical object, into two portions, through the application of an acutely directed force....
 materials such as metal
Metal

In chemistry, a metal is a chemical element whose atoms readily lose electrons to form positive ions , and form metallic bonds between other metal atoms and ionic bonds between nonmetal atoms....
 or bone
Bone

Bones are rigid organ that form part of the endoskeleton of vertebrates. They function to move, support, and protect the various organs of the body, produce red blood cell and white blood cells and store minerals....
. Some have pistol grip
Pistol grip

On a firearm or other tool, the pistol grip is that portion of the mechanism that is held by the hand and orients the hand in a manner similar to the position one would take with a conventional pistol such as the M1911 pistol....
s which keep the hacksaw firm and easy to grip.

Small hand-held hacksaws consist of a metal arch with a handle, that fits around a narrow, rigid blade.






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Encyclopedia


Panel Hacksaw
A hacksaw is a fine-tooth saw with a blade
Blade

A blade is the flat part of a tool, weapon, or machine that normally has a cutting edge and/or pointed end typically made of a flaking stone, such as flint, or metal, most recently steel....
 under tension
Tension

Tension may refer to:In science:*Tension , a force related to the stretching of an object *Electrical tension, see voltage*High-tension, in electrical power transmissions wires which carry high-voltages...
 in a frame, used for cutting
Cutting

Cutting is the separation of a physical object, or a portion of a physical object, into two portions, through the application of an acutely directed force....
 materials such as metal
Metal

In chemistry, a metal is a chemical element whose atoms readily lose electrons to form positive ions , and form metallic bonds between other metal atoms and ionic bonds between nonmetal atoms....
 or bone
Bone

Bones are rigid organ that form part of the endoskeleton of vertebrates. They function to move, support, and protect the various organs of the body, produce red blood cell and white blood cells and store minerals....
. Some have pistol grip
Pistol grip

On a firearm or other tool, the pistol grip is that portion of the mechanism that is held by the hand and orients the hand in a manner similar to the position one would take with a conventional pistol such as the M1911 pistol....
s which keep the hacksaw firm and easy to grip.

Small hand-held hacksaws consist of a metal arch with a handle, that fits around a narrow, rigid blade. One edge of the blade has many small saw teeth along almost its entire length. The blade can either be attached such that the teeth face away from the handle, resulting in sawing action when pushing, or be attached such that the teeth face toward the handle, resulting in sawing action when pulling. On the push stroke, the arch will bend a little, releasing the tension on the blade. The blade is normally quite brittle, so care needs to be taken to prevent brittle fracture
Fracture

A fracture is the separation of an object or material into two, or more, pieces under the action of stress .The word fracture is often applied to bones of living creatures, or to crystals or crystalline materials, such as gemstones or metal....
 of the blade.

A panel hacksaw eliminates the frame, so that the saw can cut into panels of sheet metal
Sheet metal

Sheet metal is simply metal formed into thin and flat pieces. It is one of the fundamental forms used in metalworking, and can be cut and bent into a variety of different shapes....
 without the length of cut being restricted by the frame. Junior hacksaws are the small variant, while larger mechanical hacksaws are used to cut working pieces from bulk metal.

Large, power hacksaws
Power hacksaw

A power hacksaw is a type of hacksaw that is powered either by its own electric motor or connected to a stationary engine. Most power hacksaws are stationary machines but some portable models do exist....
 are sometimes used to replace a band saw
Band saw

A band saw uses a blade consisting of a continuous band of metal with teeth along one edge. Workpieces are fed into the cutting edge on vertical machines....
 in machine shops.

See also

  • Band saw
    Band saw

    A band saw uses a blade consisting of a continuous band of metal with teeth along one edge. Workpieces are fed into the cutting edge on vertical machines....
    , also used for cutting metal
  • Coping saw
    Coping saw

    A coping saw is a type of hand saw used to cut intricate external shapes and interior cutouts in woodworking or carpentry. It is widely used to cut Molding to create coping rather than miter joint joints....
    , similar finer version used to cut wood intricately.
  • Fretsaw
    Fretsaw

    The fretsaw is a saw used for intricate cutting work which often incorporates tight curves. Although the coping saw is often used for similar work, the fretsaw is capable of much tighter radii and more delicate work....
    , similar finer version with larger 'A frame' used to cut wood intricately further from the edge of a workpiece.