Thread: Bobbins to you
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Old 02-Jan-2012, 20:12
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DSC Region Organiser skidlids skidlids is offline
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Drill sizes I use for tapping metric threads

M4 use 3.3mm Drill
M5 use 4.2mm Drill
M6 use 5.0mm Drill
M8 use 6.8mm Drill as Phil Said
M10 ISO Metric use 8.5mm Drill
M10 Metric Fine use 8.8mm Drill

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