Numbered 1 - 60 Drill Bit Set Cobalt Tired of always looking for that drill bit you desperately need? Now you can have all of them right at you fingertips. All Index boxes are the highest quality made.
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Drill Bit Set 1-60 Numbers Cobalt USA
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
These are M42.
Numbered and letter drills are actually for the gaps between fractional and metric sizes. A #10 is .193 inch and 4.90mm for example.