Drill bit: Difference between revisions

Drill bit (view source)

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 Installer bits are available in various materials and styles for drilling wood, masonry and metal.
-A variant of the installer bit has a very long flexible shaft, up to 72 inches long in the US, with a small twist bit at the end. The shaft is made of [[Martensite|spring steel]] steel instead of hardened steel, and can be flexed and bent while drilling. This unique design allows the bit to be curved inside walls, for example to drill through [[stud]]s from a [[light switch]] box without needing to remove any material from the wall. These bits usually come with a set of special tools to aim and flex the bit to reach the desired location and angle, although the problem of seeing where the operator is drilling still remains.
+A variant of the installer bit has a very long flexible shaft, up to 72 inches long in the US, with a small twist bit at the end. The shaft is made of spring steel steel instead of hardened steel, and can be flexed and bent while drilling. This unique design allows the bit to be curved inside walls, for example to drill through [[stud]]s from a [[light switch]] box without needing to remove any material from the wall. These bits usually come with a set of special tools to aim and flex the bit to reach the desired location and angle, although the problem of seeing where the operator is drilling still remains.
 The flexible variant of the installer bit does not appear to be routinely available in the EU.