A hacksaw is used to cut metals, such as steel, aluminum, brass, or copper. The cutting blade of a hacksaw is replaceable and the sharpness and number of teeth can be varied to meet the needs of the job.
Use 14 or 18 teeth per inch (tpi) for cutting plaster or soft metals, such as aluminum and copper. 24 or 32 teeth per inch for steel or pipe.
A hacksaw cuts while the blade is pushed in the forward direction, pressure should be released as the blade is pulled rearward before repeating the cutting operation.
Safe Use of Hacksaws Check that the hacksaw is equipped with the correct blade for the job and the teeth are pointed away from the handle. move the hacksaw slowly away from you, lift slightly and return for another cut.
A typical hacksaw that is used to cut metal. If cutting sheet metal or thin objects, a blade with more teeth should be used.
Seal Drivers A seal driver
can be plastic or metal,
usually aluminum.
It is used to seat the outer lip
of a grease seal in the grease seal pocket.
A seal is usually driven into position using a plastic mallet and seal driver that is the same size as the outside diameter of the grease seal retainer.
A seal driver or installer is usually plastic and is designed to seat the seal.
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