These are the most common bits used by the handyman for drilling. The front edges cut the material and the spirals along the length remove the debris from the hole and tend to keep the bit straight. They can be used on timber, metal, plastics and similar materials.
Special care is required when using the smallest sizes - always hold the drill square to the work and apply only light pressure when drilling.
Thursday, July 10, 2008
Twist bits
Posted by
SEAGAMES 2009
at
6:42 AM
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