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Thread: repair of 1/2" breaker bar tool

  1. #1
    Supporting Member desbromilow's Avatar
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    desbromilow's Tools

    repair of 1/2" breaker bar tool

    So ages ago I rescued a 1/2" breaker bar which was being tossed because pieces were missing - essentially all that was left was the 450mm (18") handle portion.

    I determined that the hinge screw thread was a metric 8mm, and I then used a 20mm structural bolt as stock to make up the missing 1/2" square drive piece.

    I drilled the cross hole, and then used that as my reference for the grinding/ cutting the bolt down to the rough shape, and then resorted to files to bring it in to final size and fit.
    I made the cross pin/screw by threading the shank of a long 8mm bolt so I had plain shank for the drive to swivel on, and then turning down the head of the bolt to form the dome head screw you see in the photos.

    It's a little rough in places, but very useable.

    repair of 1/2" breaker bar tool-m20_bolt_25.jpg
    repair of 1/2" breaker bar tool-as_found_25.jpg
    repair of 1/2" breaker bar tool-progress_shot_25.jpg
    repair of 1/2" breaker bar tool-assembled_25.jpg
    repair of 1/2" breaker bar tool-assembled2_25.jpg
    repair of 1/2" breaker bar tool-complete_w_skt_25.jpg

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  2. The Following 4 Users Say Thank You to desbromilow For This Useful Post:

    baja (Dec 25, 2020), clavius (Dec 24, 2020), katy (Dec 28, 2020), sossol (Dec 24, 2020)

  3. #2

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    Nice to make use of what would otherwise be trashed.

    Well done.

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