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  1. 20-12-2008 #2
    irving2008's Avatar
    Lives in NW London, gateway to A1 & M1, United Kingdom.
    irving2008
    Last Activity: 17-03-2017 Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 2,849. Received thanks 179 times, giving thanks to others 5 times. Referred 6 members to the community.
    Which machine is yours Kip... the GH or the Major?

    I need to go measure it again... I thought the official size of 1/2 BSW is 12.7mm, where did you get 12.3mm from?

    <edit> I found a coachbolt thats 12.6mm dia and it goes down with a bit of a 'push' so I think a 1/2" BSW drawbar will play...

    <edit2> A 1/2BSW bolt is 12.7mm on the shaft BUT the threads have rounded tops so the diameter of the threaded portion is 11.35mm (core 9.99mm + 0.640327 * pitch of 2.116mm = 1.355mm ). A length of 1/2BSW threaded rod will fit therefore even though a 1/2BSW drawbar won't!
    Last edited by irving2008; 20-12-2008 at 01:34 PM.
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