M2~M16 Helical Inserts. M2 0.4 1.5D M3 0.5 1.5D M5 0.8 1.5D M8 1.25 1.5D M12 1.75 1.5D M16 2.0 1.5D. M2 0.4 1D M3 0.5 1D M5 0.8 1D M8 1.25 1D M12 1.75 1D M16 2.0 1D. M2 0.4 2.5D M3 0.5 2.5D M5 0.8 2.5D M8 1.25 2.5D M12 1.75 2.5D M16 2.0 2.5D.
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