Cutting Out Sink Holes in Laminate Tops
From contributor I:
We've used a router with bushing and 3/8 spiral for years. I think the rotozip bits will be too fragile and chatter.
From contributor C:
I've used the rotozip for countertops. Not too bad for countertops with no build-up (3/4" thick). As soon as you try to cut thicker than 1", the bit starts burning because it is a downshear and the chips have nowhere to exit. The bit doesn't last too long after
several inches of this type of cutting. I get excellent results with a Bosch hollow-ground upcut jigsaw blade #T101. These babies cut with surgical precision. Jigsaw set on zero orbit.
From contributor P:
I tried a down cutting bit on a jig saw and what I experienced was the jig saw had a strong tendency to bounce away from the surface. I use a good up cut blade and have good results. I also put duct tape around the perimeter of the cut to help against chipping, though with a good glade, fine tooth, this is not a problem.
From contributor Y:
I've had good cutting speed with the 1/8" sabercut type bit with material up to 3/4" (substrate with laminate). The blunt guide point bits are only good for drywall. You might try the 1/4" spiral bit, with the 1/4" collet. Watch your cutting direction so you keep on the waste side.
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