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7mm square socket?

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PekkaNF:
intriquing problem...I had similar once and I used "1/4" Square Drive to 1/4" Hex Shaft Adapter " in reverse. IE. 1/4" sguare for as square head bolt and the other hex end to hex ratchet....

This sort of stuf:
http://www.gearwrench.com/screwdrivers-and-nutdrivers/screwdrivers/gearwrench-890002gd-1-4-square-drive-to-1-4-hex-shaft-adapter.html

is this anything like?:
http://apexbitsdistributors.com/1609-d-apex-1-4-square-drive-socket-sae-double-square-nut.aspx

Spurry:
All the above offers and links are very much appreciated. Thank you!

I should explain that I am in a bit of a Plumbing Phase at the moment. The system that was installed in our house has the drain cocks in some very strange and inaccessible locations. (As it was was installed by professionals, perhaps speed was of the essence. :bugeye:)

The drain fittings have a 7mm square to operate, and the normal sort of key is very difficult to fit. It could be done by the usual adjustable spanner or even slip-joint grips (if a proper plumber was doing it  :scratch:), but I felt there must be an easier way, viz a small socket on the 1/4" drive snappy ratchet.

The pics show square-drive keys, (the two smaller (5mm) ones are for radiator bleed valves), a drain-down fitting, with lastly my planned solution.

Pete

djc:

--- Quote from: Spurry on August 20, 2019, 11:59:17 AM ---I should explain that I am in a bit of a Plumbing Phase at the moment.
--- End quote ---

If all you want to do is fiddle with your cocks, just cut the ends off some spare square keys and JB Weld them into cheap 1/4" drive sockets. For additional bonus points, file a hexagon on the exterior. They are only brass.

appletree:
Get a hexagon nut, file the required size square in the Nut glue into standard socket.
Or open ended 7mm spanne or old Williams superslim break spanner’s had square holes in them


Phil

PekkaNF:

--- Quote from: appletree on August 21, 2019, 04:21:38 AM ---Get a hexagon nut, file the required size square in the Nut glue into standard socket.
Or open ended 7mm spanne or old Williams superslim break spanner’s had square holes in them


Phil

--- End quote ---

Filed nut  :clap: and fitting one of "TIGHTSPOT Ratchet Wrench", should do the trick:

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