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Porter-Cable 42187 2-1/2-Inch Hole Sub Base


List Price: $27.65
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Manufacturer: Porter-Cable
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Brand: Porter-Cable
Manufacturer: Porter-Cable
Model: 42187


Features
Clear Lexan sub-base
2-1/2" center hole allows for routing with larger diameter bits than a standard sub-base
Compatible with all 7500 Series Router Bases

Accessories
Fine Woodworking
Woodworking Basics: Mastering the Essentials of Craftsmanship

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Editorial Reviews:



User Comments about the Porter-Cable 42187 2-1/2-Inch Hole Sub Base

I was a little concerned when looking for a larger-holed sub-base for my PC 7518 router. I was glad to see it came with 4 holes, and that it fit my 7518 perfectly. The router has 4 mounting screws, and this item's picture shows just 3. But it said it was compatible, so I ordered.



The only concern I 've had with this base is, that because of the wider mouth, one needs to excercise extra caution when turning corners (The wider mouth of the base has a tendency, along with the router's weight to "lean" over a corner). I've owned one of these clear bases, that allow for larger bits, for years. Although I don't use it for production projects, I do use it frequently. I've found that using my "D-Handle", and maintaing strict caution and control, by keeping the "D-Handle" on the opposite side of the corner, helps me maintain safe control. The idea that I can see through it, has never been an issue; It's being able to see where the router bit is doing it's work that I find important.



The standard base on the Porter Cable won't allow you to use the larger router bits. Regarding the see thru acrylic, it gets scratched up quickly and static electricity causes dust to stick, so it doesn't stay transparent for long. If you don't feel comfortable making your own base (using the orginal as a template), you might as well buy this sub-base right from the get go and save yourself the frustration of a "job stopper" when your bit doesn't fit.