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Oneway vacuum adapter

Discussion in 'Woodturning Discussion Forum' started by Charles Chaloupka, Feb 16, 2021.

  1. Charles Chaloupka

    Charles Chaloupka

    Joined:
    Jan 4, 2020
    Messages:
    21
    Location (City & State):
    Niceville, Florida
    I have a oneway vacuum adapter and was curious whether anyone knows if it can be used on 1840 Jet. My new Jet has an outboard headstock fine thread spindle that measures .745 inches. The oneway vacuum adapter has a removable insert with 1-1/4 x 8 threads. I got the oneway adapter in an auction and it was used on an older grizzly. The insert is what I need and am having difficulty locating.
     
  2. hockenbery

    hockenbery AAW Advisor Staff Member Beta Tester

    Joined:
    Apr 27, 2004
    Messages:
    6,775
    Location (City & State):
    Lakeland, Florida
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    Call ONEWAY - I am fairly sure they have an adapter but they would know for sure.

    you want a stronghold Chuck adapter.
    If you know the thread size. Should be in the owners manual.
    You can look on the ONEWAY site or screen shots below.

    Your thread are probably 3/4x16 LH. But check with the owners manual or ONEWAY
    C5C6E65C-5063-4A16-86F8-7AB3582BA3B0.jpeg
    Some of the other 3/4 threads they have
    56CBC1C9-4F9B-4CD0-8967-3052F0D524E4.jpeg
     
    Last edited: Feb 16, 2021
  3. Dean Center

    Dean Center

    Joined:
    May 4, 2010
    Messages:
    1,183
    Location (City & State):
    Bozeman, MT
    The vacuum adapter insert for the Powermatic 3520A and B is a special one. (don't know about the C) If the Jet 1840 is as much like the Powermatic as it seems, perhaps that adapter will work.
     
  4. Charles Chaloupka

    Charles Chaloupka

    Joined:
    Jan 4, 2020
    Messages:
    21
    Location (City & State):
    Niceville, Florida
    Oneway has the correct insert. Thanks for the suggestions
     

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