Can you cut wood with a cut off wheel?
In this regard, can you use a cut off wheel on wood?
An angle grinder is designed to grind metal or with care , cut ferrous metals using an abrasive disc. They lack a base and other safety features that circular saws have and should not be used to cut wood, specially freehand.
Also question is, can I use a metal cutting disc on wood?
When using a circular saw, you need to be sure you're using the correct blade for the material you are cutting. Not only will you need a different blade for cutting metal than you would for cutting wood, but a metal-cutting blade should not be used in the same saw as the type used for wood.
no you cant use 4" discs on 4.5" grinders the arbors are different size. get one of dem der A-daptor kits. most 4" discs have a 3/8 or 1/2 arbor hole, whereas most 4.5 and up discs have a 7/8 arbor hole. Not always, but the vast majority of the time.