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Countersink Bits Buyers Guide: Difference between revisions

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* For most non-critical work in '''[[Design and Technology]]''', countersinking can be achieved using a '''[[Twist Drill]]''' twice the diameter of the hole in question.
* For most non-critical work in '''[[Design and Technology]]''', countersinking can be achieved using a '''[[Twist Drill]]''' twice the diameter of the hole in question.
* For more precise work, purpose made '''Countersink Bits''' are available.
* For more precise work, purpose made '''Countersink Bits''' are available.
* Choose '''[https://en.wikipedia.org/wiki/High-speed_steel High Speed Steel]''' if countersinking steel since ordinary [https://en.wikipedia.org/wiki/Carbon_steel '''Carbon Steel''] is suitable only for wood and plastics.  
* Choose '''[https://en.wikipedia.org/wiki/High-speed_steel High Speed Steel]''' if countersinking steel since ordinary [https://en.wikipedia.org/wiki/Carbon_steel '''Carbon Steel'''] is suitable only for wood and plastics.  


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Revision as of 10:45, 15 May 2016