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Brian Reay[_6_] Brian Reay[_6_] is offline
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Default Quick question - screwdriver bit width for electrical fittingscrews.

On 11/07/2019 14:52, David wrote:
Having replaced my dud little electrical screwdriver with the cheapo
MacAlister one from Screwfix I am now searching for the best bit size for
slotted screws which are in light switch and 13A sockets.

Measuring the width they look to be about 7mm.

So do I co for a 7mm bit, or slightly under size with a 6mm bit?

I seem to be awash with Posidrive bits at the moment but not ones for
slotted screws.


I bought a set of flat bladed bits off Ebay ranging from may be 3mm to
8mm for a few pounds, with long round sections after the hex part.

Quality seems OK.

(I also found some other bits with extended shanks- torx, hex, Pozi, ....)


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