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bore

  1. Tiny James

    CBN Grinding wheel wrong bore

    I'm after some advice or help tracking down Bushings for my Grinder I have a grinder with a 12.7mm shaft and a Tru-Grind CBN wheel with a bore of 15mm, now I can't believe I'm the only person that has had this problem. Axminister sell bushing for larger bore's but not the 12.7 mm bore. the...
  2. donwatson

    Use for tubes

    I have a plastic bag with a dozen brass pen tubes. These tubes are 50mm long x 7.85mm o/d and 7.34mm bore. Has anyone any idea why I bought these :thinks: :rolling: take care Don W
  3. donwatson

    Help needed with pen kit fitting diameters

    Hi All, I have made and finished 2 pen blanks, 1 is 47.5 m/m long and the other is 44 m/m long. The bore in the brass tubes is 7.47-7.5 mm. I haven't a clue how this happened as I thought I was making a slimline. My problem now is finding a 2 piece kit like the slimline that will fit the 7.5 m/m...
  4. Penpal

    From here to eternity

    This will not power a lead from me to you :rolling: but it has served me faithfully for around thirty years. Silent running and ever so accurate voltage control that allows running a computer or a bore pump. Specs not given purely to keep a promise to show it. The Telstra Organisation called it...
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