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'C' spanners

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John Walker 722/05/2015 17:52:10
3 forum posts


I am currently building the 2" Shand Mason to Edgar Wesbury's design. I am making gland nuts of the round type with 6 grooves around the circumference. These are 1/2 " and 3/8" dia. Obviously they need a 'C' spanner or Hook spanner to tighten them. Does anyone know of an easy way to make such spanners.

Thanks in anticipation John

Michael Cox 122/05/2015 18:42:37
539 forum posts
27 photos

Have a look at this:

This could be easily scaled down to suit your application.


John Walker 722/05/2015 18:52:11
3 forum posts

Thanks for the quick response Mike, that'll do the trick......John

JasonB22/05/2015 19:58:30
20474 forum posts
2269 photos
1 articles

Micrometer adjusting spanners work very well for me or when the glands are hard to get at a small flat blades screwdriver can be useful.

If you want to make something that cut a narrow strip off some 20g or 1mm steel sheet. Hacksaw a slot across the end of some 3/8" rod. put one end of the strip into the slot and wrap it 1/3rd way around the rod then bend back at a suitable angle to make the head. Repeat with a 1/2" rod. The glands don't need a lot of force so mild steel will do but you could use annealed spring steel if you wanted.




Edited By JasonB on 22/05/2015 20:03:02

Enough!22/05/2015 23:00:12
1719 forum posts
1 photos

Or fully unscrew the spindle and use the micrometer itself devil

John Walker 723/05/2015 09:13:10
3 forum posts

That sounds like something Chuck would do

Neil Wyatt23/05/2015 12:14:41
18585 forum posts
723 photos
78 articles

Cut out the body of the spanner and fit metal pegs that are just a TINY bit smaller than the body, silver soldered in place. The round bits were cut out with a step drill and then filed to shape by eye.


ring spanner.jpg

Neil Wyatt23/05/2015 12:17:41
18585 forum posts
723 photos
78 articles


I'm boggled! A mini-lathe with the plastic bearing cover and gear spacer replaced by polished metal items!


Michael Cox 123/05/2015 15:49:34
539 forum posts
27 photos

The owner of the toolandmods website is Jose Menezes. He is a Portuguese, a perfectionist and a professional photographer. His site was very active until about 3 years ago. Since then nothing seems to have been added.

Jose also hosts all the drawings prepared by Ralph Patterson of the modification he made to his minilathe. This is a useful resource.


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