What is a Junior hacksaw?
The metal blade of a junior hacksaw is held in place by the sprung loaded U-shaped frame. Junior hacksaws are the small variant of mechanical normal sized hacksaws and are used to cut small working pieces from a large chunk of metal. They are usually half the size of the normal hacksaws. All junior hacksaws use the same blades.
What are the parts of a hacksaw?
The hacksaw has a U-shaped frame and a handle at one end. Hacksaws have small pins at each end of the frame that receives a blade. A tensioner nut or knob is then used to extend the length of the frame, which puts tension on the blade and locks it in place.
What is a full size Hacksaw used for?
Where thicker and more robust materials are to be cut, a full size hacksaw is used. The blades tend to be ‘fine’, potentially giving a precise cut and fit the junior hacksaw frame, with the aid of ‘pins’, at each end. The pins lodge firmly into ‘slots’, in the frame of the saw.
How many hands do you need to use a hacksaw?
Two hands are required to use the full size hacksaw, whilst one hand is needed for the junior hacksaw. They are available in a range of designs and two are seen here. The junior hacksaw is used to cut and shape metals, tube and some plastics. Where thicker and more robust materials are to be cut, a full size hacksaw is used.
What is the hacksaw made of?
A hacksaw is a hand tool used to cut metal. A hacksaw blade is made of either low alloy steel (LA) or high-speed steel (HSS) and is available in standard lengths of 250 mm and 300 mm. The selection of the blade depends on the shape and hardness of the material to be cut. Flexible blade: Only the teeth are hardened.
What materials does a junior hacksaw cut?
These small hand saws are designed for small jobs in a variety of materials -- wood, metal, or plastic.
What kind of steel is a hacksaw blade?
Hand hacksaw blade HCS FLEXIBLE HCS hand hacksaw blades are made from high carbon steel...
What is junior hacksaw used for?
Junior Hacksaws and Mini Saws are commonly used for cutting small metal pipes or plastic tubing. Junior hacksaws are commonly just six inches long and these tools have much smaller blades than their full-sized equivalents which enables the user to complete finer, more precise cutting with a much neater finish.
Can a hacksaw cut bone?
Hacksaws are made for cutting through metal and thus are good saws for cutting bone.
Can junior hacksaws cut metal?
Application. Junior hacksaws are commonly used for cutting through metal pipes or plastic tubing. The blade of a junior hacksaw is much smaller than a regular one, so the tool can be used for more precise cutting or for applications that require a neater finish.
What grade of steel are saw blades?
1075 Cr1. 1075 Cr1 is high carbon steel and is used to make saws tipped with tungsten carbide. The steel's high strength is useful for cutting through other metals and other rigid materials.
Are hacksaw blades spring steel?
The term bi-metal means just that, the back of the blade would generally be high carbon steel (like 1075 spring steel) that has a thin strip high speed steel welded to it that the teeth are cut into, giving you a hard cutting tooth on a tough flexible back.
How hard are hacksaw blades?
Hacksaw blades are normally quite brittle, so care needs to be taken to prevent brittle fracture of the blade. Early blades were of carbon steel, now termed 'low alloy' blades, and were relatively soft and flexible.
What are the 3 types of hacksaw?
Following are the main types of hacksaw blades: Course Grade Hacksaw Blade. Medium Grade Hacksaw Blade. Fine Grade Hacksaw Blade.
Can a hacksaw cut steel?
A hacksaw is mainly used for cutting thin metal such as aluminum, brass, steel, or copper. Hacksaws are also used for cutting plastics such as PVC, PEX, or ABS on pipes or on sheet goods made of PVC, polystyrene, and more.
How thick can a hacksaw cut?
How to cut metal with a hacksawTpi (teeth per inch / 25mm of blade)Suggested usage14Large profiles, aluminium, softer metals18General workshop projects24Steel plate up to 5/6mm thickness32Hollow sections and steel tubing
What are the 3 types of hacksaw?
Following are the main types of hacksaw blades: Course Grade Hacksaw Blade. Medium Grade Hacksaw Blade. Fine Grade Hacksaw Blade.
How do I choose a hacksaw blade for different materials?
Hacksaw blades are selected by choosing the correct tpi (teeth per inch) for the type of metal that needs to be cut. The higher the tpi, the more aggressive the cut.
Can a hacksaw cut wood?
Hacksaws can cut through a number of different materials, including pipe and wood. Before you begin, take the time to choose the right hacksaw blade for the material you're cutting.
How do you cut with a junior hacksaw?
The junior hacksaw is held in one hand and then pushed forward (the teeth of the blade face forward, away from the handle). The 'cut' only takes place on the forward stroke.
What is a junior hacksaw?
A junior hacksaw is excellent for cutting plastics such as PVC piping. This is one reason you may find a junior hacksaw in the toolbag of a plumber. They slice through PVC piping with ease and take up very little room in the toolbag, which is a significant advantage.
Can a hacksaw cut metal?
The humble junior hacksaw can also be used to cut metal. As long as you only attempt thin metal, the saw will cut it. It will blunt out the blade reasonably quickly though so make sure you bear that in mind.
What is a junior hacksaw?
The Junior hacksaw is a small scale version of a full size hacksaw. Two hands are required to use the full size hacksaw, whilst one hand is needed for the junior hacksaw. They are available in a range of designs and two are seen here. The junior hacksaw is used to cut and shape metals, tube and some plastics.
How long are junior hacksaw blades?
Junior hacksaw blades are usually 150mm (6 inch) in length and they vary in the number of teeth (per inch). Teeth per inch (TPI), is the standard used across blades, when ordering replacements. The blades are either cast steel or high speed steel.
What is a full size hacksaw?
Where thicker and more robust materials are to be cut, a full size hacksaw is used. The blades tend to be ‘fine’, potentially giving a precise cut and fit the junior hacksaw frame, with the aid of ‘pins’, at each end. The pins lodge firmly into ‘slots’, in the frame of the saw.
