Using smaller saw blades than specified

[Learningthehardway]

This may be a stupid question but does anyone know if there would ba any problem if I were to use a 250mm diameter saw blade on my 255mm makita compound mitre saw? I don't think so since the blade would be smaller than the saw accepts. Both are 30mm bore.

 

[big-all]

unlikely to matter as its only half that all round
is the kerf the same i assume about 1/8" 3.18mm
it will effect the cutting width by a few mm

 

[Learningthehardway]

Logical answer - would you know if even smaller diameter blades would affect the saw performance other than the length of the cut?

 

[ntb]

You will reach a point where the blade doesn't reach the bed of the saw. There should be some adjustment but I doubt you will be able to cut right through with a 200mm blade.

 

[big-all]

you will also run out off adjustment for the guards and the radius will mean you cannot maintain a proper safe gap around the arc on the riving knife if fitted

 

[joe-90]

It won't spin as fast and if it jambs will have more grunt and more dangerous. Use the right kit. It's your eyes and fingers that are on the line.