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Jasper M575
Item 144931

Router Base Plate with Centering Pin



Save $5 Now Through August 23, 2018

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Frustrated by a router with a base plate that uses a limited range of hard to find guide bushings? Even worse is one that offers no means to center those guides once they are installed. This unit is not only pre-drilled for all the routers listed below, it also includes a cleverly designed centering pin that centers the guide to the router collet. Simply install a Porter-Cable style guide, use the centering pin to line-up the base plate concentric to the collet, install your bit, and rest assured your bit is following the path the template or jig intended. This set-up is an absolute must for precision operation of dovetail jigs!

Fits the following models: Sears Models 315.275 000-100-110, 315.175 070-040-050-060 RyobiMakita 3612 and 3621 Milwaukee 1615/1616/1619 series, HitachiBosch 1615 and 1617/1618 series, DeWalt DW616/618 series, DW621, and DW625, Fein FT-1800 Elu 177, Porter Cable 690 series, 7529, and 8529 Freud FT2000E. Complete with screws and installation instructions.


• Pre-drilled for more than ten router models

• Includes a cleverly designed centering pin that centers the guide to the router collet

• Comes complete with screws and installation instructions


Articles & Blogs


We began with Hand-Cut Dovetails in Part 1 of the Dovetail Discovery Center Seminars held at the Toledo Woodcraft store.

In this 2 & 3 part blog, we will take a look at two dovetail jigs. John Nystrom in Part 2, will demonstrate the capabilities of the Porter-Cable 12″, Model 4210 Dovetail Jig, followed by Carl Kuhnle’s skill set in Part 3 on the Leigh Super 12″ Dovetail Jig.

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Guysville, Ohio, resident Myron “Pete” Hart not only plays the mandolin, he makes them as well. The good-humored lead singer of The Hart Brothers band, formed in 1979 with brothers Heamon “Tib” Hart and Arman “Sam” Hart, Pete is a sought-after luthier in addition to being a talented musician and vocalist.

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4.59 out of 5 stars
22 Reviews
  1. 2.0 out of 5 stars
    by on

    Dewalt mounting less than optimal

    I was hoping to use this plate as the primary base on my fixed base router, however the plate uses the 3 hole mounting pattern (instead of the 4 hole). This puts 2 of the screws into the edge guide rail mounts and the third screw is too long to tighten in the remaining blind threaded hole. I haven't figured out how to effectively cut the shortest screws in half.

  2. 5.0 out of 5 stars
    by on

    Jasper Router Base Plate w/centering pin

    The holes in the router base plate lined up perfectly and the centering pin made it quick and easy to align the plate perfectly to the bit. Awesome product and very easy to install and calibrate.

  3. 5.0 out of 5 stars
    by on

    well thought out

    This base plate is a must if you hope to do accurate pattern routing using porter cable guide bushings because it insures that the bit and the guide are concentric no matter what part of the guide bushing is against the template.

  4. 5.0 out of 5 stars
    by on

    Good and flat

    OK, first of all I was quite disappointed with how NOT flat the baseplate of my "top brand" routers are. This base plate is a bit expensive, but add it to the overall cost of a new router. It's well worth it. Especially crucial if used with a dovetail jig. This baseplate if flat. The cutout for guide bushings is a near perfect fit. The only disappointment I had with the (two) centering pins I now have, is that I can see how much runout there is in my router collets/spindle. Better to know than not to know, none the less.

  5. 5.0 out of 5 stars
    by on

    Worked GREAT on MY Bosch Router

    Installed quickly, works perfectly, and my bushings fit just as I needed them to.

  6. 5.0 out of 5 stars
    by on

    See your work

    I bought this base simply because it was transparent--in order to see my work. It fit my Porter Cable router perfectly and makes the work easy to see. I don't know why all routers don't have clear plastic bases.

  7. 5.0 out of 5 stars
    by on

    Works without "modification"

    Works right out of the packaging on the Bosch 1617 EVSPK plunge base without elongating or countersinking the mounting holes.

  8. 5.0 out of 5 stars
    by on

    Base Plate that actually fits my router

    Most "universal" base plates seem to have so many holes but none really fit well on my Bosch 1617. This one does.

  9. 5.0 out of 5 stars
    by on

    Like the see through

    This see through base is exactly what you need when seeing where the bit hits the wood is important.

  10. 5.0 out of 5 stars
    by on

    Perfect solution

    This base fit my 15 year old Craftsman router perfectly. I could not find a base from [@] for my router that would handle standard template guides (even though I bought the guide set from [@]). This was a good find!

  11. 4.0 out of 5 stars
    by on

    Performed as expected

    Meets my needs well and I am well satisfied.

  12. 5.0 out of 5 stars
    by on

    Great Inovation

    I was pleased to find a clear acrylic base that would accept the Porter Cable style guide bushing and fit my Craftsman router. Works like a charm with my Rockler dovetail jig.

  13. 4.0 out of 5 stars
    by on

    Good Stuff

    Good Stuff

  14. 4.0 out of 5 stars
    by on

    All around good product.

    I don't understand why all routers aren't equipt with these bases.

  15. 5.0 out of 5 stars
    by on

    Very durable material

    Very durable material and glides very nicely across my new Leigh 24 Super Jig. It fit perfectly onto my Craftsman Digital router.

  16. 5.0 out of 5 stars
    by on

    Great product

    I have a Black & Decker plunge router that would not accommodate bushings. The Jasper router base converted my router to accept all standard size bushing.

  17. 4.0 out of 5 stars
    by on

    Works as advertised

    Allows my Bosch Router to use the standard bushings.

  18. 5.0 out of 5 stars
    by on

    Dead On

    Easy to set up and use. Perfect for centering bits.Fit my PC router without drilling new holes in the plate. Good product.

  19. 4.0 out of 5 stars
    by on

    Works fantastic,fit perfect.

    The baseplate that came with my router didn't accept standard template guides. This baseplate fit perfect, and works great.

  20. 5.0 out of 5 stars
    by on

    Great additon to router,should be standa

    Great addition to router, you can see what you're doing! All router should come with a clear base, a black base is just dumb,but probably cheaper!

  21. 4.0 out of 5 stars
    by on

    Excellent idea

    Allows use of non-Black & Decker Sub-base routers. I did have to find shorter pan-head screws the ones furnished to attach the sub-base. Centering pin is a great idea!

  22. 5.0 out of 5 stars
    by on

    Worked with my Ryobi RE180PL great

    Hard to find a base that that will work with ryobi routers and PC bushing guides, but this one does.

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