Set of 20 twist drills Supplied in a handy storage box Size ranges from 0.3mm through to 1.6mm Made from steel Made from steel, each twist drill is a consistent thickness from shank to tip. They can be used with a chuck in a pendant motor or used by hand on thin metal, clay or wax to create indents. To keep sharper for longer we advise using a lubricant such as Burr Life (998 021).
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