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ISO 3291:2016

Current Date published:

Extra-long Morse taper shank twist drills

ISO 3291:2016 specifies the dimensions of extra-long Morse taper shank drills in the range of 6 mm to 50 mm diameter with an overall length range of 200 mm to 630 mm.

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Related Information

Similar Standards

  • BS 1157:1975

    Recommendations for tapping drill sizes for use with fluted taps

  • BS 122-4:1980

    Milling cutters, Screwed shank end mills and slot drills

  • BS 1937:1953

    Specification for engineers' ratchet braces and drilling pillars

  • BS 1978:1965

    Specification for bit braces

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ISO 3291:2016

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