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Thread: quick Question

  1. 5th September 2012, 07:08 PM #1
    leroy's Avatar
    leroy
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    Default quick Question

    Hi , can anyone tell me what the J3/J6/J33 refers to when ordering a Morse Taper shaft to fit a drill chuck to my MT3 tailstock?
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  3. 5th September 2012, 07:18 PM #2
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    Hi,
    It's the taper that goes into the back of the chuck. The chuck should have a taper listed. They are not just j numbers, I know my mill chuck is a b16.
    1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.
  4. 5th September 2012, 07:33 PM #3
    cba_melbourne
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    the J3 etc (sometimes JT3 etc) are "Jacobs Taper", mostly found on drill chucks made in America (or made for use in the North American market). The B16 etc tapers are German DIN standard, and mostly found on chucks made in (or for use in) metric countries. Clean the male anf female tapers very carefully before putting together. Chris
  5. 5th September 2012, 07:43 PM #4
    nadroj
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    For some reason, JT33 is a popular size in the USA but not so much here.
    I imported a chuck for my Walker-Turner drill press, which has a JT33 fitting on the end of the spindle. Price here was sky high - due to scarcity I suppose.

    Jordan
  6. 5th September 2012, 08:05 PM #5
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    leroy
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    OK thanks for the replies,just to clarify,the J number is the end of the shaft that fits into the chuck not the end that fits the morse taper?
  7. 5th September 2012, 08:12 PM #6
    pipeclay
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    Yes.
  8. 6th September 2012, 03:46 PM #7
    rod1949
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    Quick answer...
    Experienced in removing the tree from the furniture
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