Specifications of International Thread Standards

ISO Metric Thread DIN 14-2
Metric ISO Thread with a nominal diameter of less than 1 mm. It is used, for example, in precision mechanics.
The term consists of the letter M, the nominal diameter and the pitch, the flank angle is 60°.

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Nominal Diameter mmPitch mmTapping Drill Size mm
M 0.300.0800.223
M 0.350.0900.264
M 0.400.1000.304
M 0.500.1250.380
M 0.600.1500.456
M 0.700.1750.532
M 0.800.2000.608
M 0.900.2250.684
ISO Fine Thread

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