View source for Countersink Bits

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=====Description=====

[https://en.wikipedia.org/wiki/Drill_bit#Countersink_bit '''Countersink Bits'''] or drills, are used to [https://en.wikipedia.org/wiki/Chamfer '''Chamfer'''] or bevel the edge of a drilled hole such that a '''[[Woodscrews and Self-Tappers|Countersunk Head Screw]]''' can be seated flush with material surface.


=====Features and Uses=====

They are available in a [https://en.wikipedia.org/wiki/Countersink range of point angles] but the most common for general purposes is 90°. Short fluted designs are chosen for working in metal and are made of [https://en.wikipedia.org/wiki/High-speed_steel '''High Speed Steel (HSS)'''] for this purpose. The longer '''Rose Countersink''' is made of [https://en.wikipedia.org/wiki/Carbon_steel '''Carbon Steel'''] but is often preferred for working in wood. 


'''Rose Countersinks''' are also available fixed in a file handle so that they can be used by hand. This can be more convenient than constantly changing the bit in drill when only a few holes need countersinking in wood.  


{{Countersink Bits Buyers Guide}}


[[Category:Drilling and Boring]]