Question about Black & Decker 7750 4 1/2'' Small Angle Grinder

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I borrowed a B&D 7750 3 to cut off the legs on a wire shelf system. I would like to replace the grinding disc but it appears to need a special tool to remove the disc. Is that correct? The owner says he has nothing but can't remember how to remove the disc.

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Yes you need an angle grinder spanner/wrench. It is like a tool with two pins that fit in the holes of the grinder disc securing nut. You can see a picture of one here: http://images.toolspot.co.uk/Angle%20Grinder%20Accessories/Angle%20Grinder%20Spanner%20For%20412in.jpg

They do come in different sizes, but you can also buy adjustable ones. Your best bet is to take the grinder to the local hardware store, big box outlet or anywhere power tools are sold and they should have a grinder spanner to suit your grinder.

Posted on Jul 03, 2009

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Posted on Jan 02, 2017

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I've got a B & D Pro 4247 Grinder and I need to change out the grinding wheel and use another (because of the material that I'm grinding)... but I don't know how to remove the wheel that's on the...


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I need replacement brushes for a B & D 7750 4.5" grinder and can't find a source. Any ideas? Thanks.


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