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Drill bit: Difference between revisions
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soft '''low carbon steel''' bits are used only in wood, as they do not hold an edge well, and require frequent sharpening. Working with [[hardwood]]s can cause a noticeable reduction in lifespan. They are, however, inexpensive. | soft '''low carbon steel''' bits are used only in wood, as they do not hold an edge well, and require frequent sharpening. Working with [[hardwood]]s can cause a noticeable reduction in lifespan. They are, however, inexpensive. | ||
'''high Carbon steel''' bits are made from high [[carbon steel]] and are an improvement on plain steel due to the [[Heat treatment|hardening and tempering]] capabilities of the material. These bits can be used on wood or metal, however they have a low tolerance to excessive heat which causes them to lose their | '''high Carbon steel''' bits are made from high [[carbon steel]] and are an improvement on plain steel due to the [[Heat treatment|hardening and tempering]] capabilities of the material. These bits can be used on wood or metal, however they have a low tolerance to excessive heat which causes them to lose their temper, resulting in a soft cutting edge. | ||
'''[[High speed steel]]''' (HSS) is a form of [[tool steel]] where the bits are much more resistant to the effect of heat. They can be used to drill in metal, hardwood, and most other materials at greater cutting speeds than carbon steel bits and have largely replaced them in commercial applications. | '''[[High speed steel]]''' (HSS) is a form of [[tool steel]] where the bits are much more resistant to the effect of heat. They can be used to drill in metal, hardwood, and most other materials at greater cutting speeds than carbon steel bits and have largely replaced them in commercial applications. | ||
