Egypt has the first documented saw blades. Dating back to 3100-2686 BC. Egyptian Hieroglyphics in pharaohs tombs depicted the tools that the workers used to cut the massive stones used to build the tombs. They showed basic saw blades, used for cutting stones.
In 1837 John Deere a blacksmith made a plow out of a steel saw blade
Unscrew the handle to relive the tension on the saw. Remove the old blade, hook the new blade over the pins on the saw and tighten the handle back up.
So that it will cut on the downstroke.
in 1780
Power saws were invented in 1777 in England by Samuel Miller.
There are many kinds saw blade, diamond saw blade and carbide saw blade. You should choose the saw blade according to the application, like wood, metal, stone, concrete, wall and so on.
In 1837 John Deere a blacksmith made a plow out of a steel saw blade
According to DIY Network, Albert Kaufman invented the jig saw in 1946 when he replaced his wife's sewing needle with a saw blade.
bob p invented the ax blade in 1999.
bob p invented the ax blade in 1999.
any saw is the opposite of the way the blade spins!
Unscrew the handle to relive the tension on the saw. Remove the old blade, hook the new blade over the pins on the saw and tighten the handle back up.
There is a great new glossary for circular saw blades here: http://www.toolstoday.com/t-saw-blades-glossary.aspx The Toolstoday Saw Blade Glossary defines the many different saw blade terms that you need to know when you purchase, or start working with saw blades.
Rip saw blades require a greater kerf to prevent the pinching of the blade by the stock.
coated blade creates less friction/binding/heat. coated blade less likely to leave burn mark on wood due to blade overheating
There are many multi-tools on the market that do have a small saw blade on them.
Hack saw, coping saw.