i just picked up a worm drive circular saw (my first circular
saw)...along with a nice $29 (ouch) carbide "finishing" blade.
it turns out this saw uses a "DIAMOND" arbor mounting hole..rather
than just ROUND. I can swear all the blades i saw @ home depot were
ROUND. Ive looked on the net and dont find ANY "worm drive blades."
what is going on here...can regular ROUND blades be mounted on my
"DIAMOND" arbor mounting hole somehow? I see a diamond outline traced
around the ROUND-type blade i have here in my hand...and it seems like
it can be "punched out" ?
Thanks guys! Off to a puzzling start here...