who sells the ideal diamond blades for stone slabs,porcelain tile,masonry and concrete cutting?

I might use a little info on diamond blades. If you might say what the application and name as good as where they arrived from if you know I would actually put the information to good use. read more . . .

Who sells an arbor for a Rotozip cutting wheel with an 11.2 mm center hole for mounting in a drill press ?

I purchased 3.5 inch diameter Diamond cutting wheels for mounting in a drill press. The Center hole in the disks is 11.2 mm. Where can I buy an arbor/mandrel to mount one of these disks in a drill press? note to: aussie: Can you be more specific. There are thousands of “american hardware stores” read more . . .