Hello Mike, the outside diameter is 5 3/4"
PORTER-CABLE and CRAFTSMAN products are not interchangeable.
Hello Bob, Thank you for your recent inquiry about the 1-1/8 in. Center Hole Router Sub-Base. This item is an online exclusive and is not available in your local Home Depot store. It is currently in stock and can be ordered online and shipped directly to your home, business, or your local store. For any other questions, please call us at HomeDepot.com Customer Service 800-430-3376. Thank you for shopping Home Depot.
No. You are expected to remove the screws from the exiting router and use those screws to hold the base in place.
I'm not certain if it's cross compatible. It is a three screw alignment. I would recommend checking specifications and product data.
Yes, model number 42187 has a 2 1/2" center hole.
NO I ordered this it's too small
Hi Rob, this fit the sub base of the 1001 as that fits the 690 router.