View source for Centre Drill Buyers Guide

{{Buyers Guide Heading}}

[https://en.wikipedia.org/wiki/Drill_bit#Center_and_spotting_drill_bits '''Centre Drills'''] ''(aka Slocombe Drills)'' were designed to provide a location for a '''Tailstock Centre''' ''(hence their 60deg point angle)'' but are commonly used to make a small starting indentation to guide further drilling in a '''Lathe'''.
* If used only to start a drilled hole then one or two of the [https://en.m.wikipedia.org/wiki/Drill_bit_sizes#Center_drill_bit_sizes mid-range sizes] will suffice since it is only the tip of the '''Centre Drill''' that will be used. 
* Choose only those made from good quality [https://en.wikipedia.org/wiki/High-speed_steel High Speed Steel] and offer them carefully up to the workpiece whilst it is rotating since the smaller sizes in particular, can break easily.

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