Router Accessories

1225 - CompactSubBase™

Compact Router Attachment


SKU: 1225 Categories: ,
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CompactSubBase™ - Replacement Parts

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The CompactSubBase™ is ideal for edge routing, template routing, mortise routing and more. With a 6-3/4″ (170mm) diameter and integral handles, it provides improved stability and control over the small base plates provided on compact routers. This attachment is compatible with all compact and trim routers, making it the perfect accessory for your routing applications.


  • Compatible with all trim and compact routers
  • The base is compatible with standard 1-3/16″ (30.2mm) diameter bushings

Adjustable Mounting Inserts

  • Universal mounting inserts used to mount your router to the base

Comfort Grip Handles

  • 360° rotational comfort grip handles, for maximum comfort while routing

Mortise Pins

  • Two mortise pins included, for cutting mortises in your workpiece
  • There are two mortise pin mounting locations, depending on the thickness of your material

 WARNING: Cancer and Reproductive Harm. For more information go to

  • Base Diameter

    6-3/4" (170mm)

  • Center Hole

    1-3/16" (30.2mm) diameter

  • Centering Pin

    Designed to fit 1/4", 6mm and 8mm collets

  • Includes

    CompactSubBase™, Base Cover, Adjustable Mounting Inserts (2), Handles (2), Centering Pin (1), Mortise Pins (2), Mounting Hardware and Manual

  • Material

    Durable polycarbonate

  • Weight

    1 lb.

1225 CompactSubBase Manual (pdf)

Download >>
1225 CompactSubBase Video
Average Review:
5.00 out of 5 based on 11 customer ratings

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  1. 5 out of 5

    If you purchased a Harbor Freight, Drill Master trim router like I did and you need a compact sub-base that will accept template guide bushings, this is for you. YES, this fits the Drill Master trim router just like it is supposed to. If you are going to use a Milescraft Sign Pro jig, having the ability to use template guide bushings is a must. Having handles on the base is also a good thing for better router control. YES, Milescraft supplied a router baseplate with the Sign Pro jig but I will use that baseplate on another router. My trim router is also used for freehand routing so I needed the handles and the ability to use bushings. I chose the Milescraft compact Sub Base because it fit the needs for this router and it works great. This sub-base will accept the Harbor Freight template guide bushings. I purchased a set of those before I knew that Milescraft also has bushings. At any rate, Milescraft did a great job on this base plate. You can even do mortising with this base plate. Having all this versatility is why I give this Milescraft product 5 stars.

  2. 5 out of 5

    (verified owner)

    Fit n works perfectly

  3. 5 out of 5

    (verified owner)

    Also works very well

  4. 5 out of 5

    (verified owner)

    Ergonomic handles work great

  5. 5 out of 5

    (verified owner)

    I wish I had this before I did my new WorkMate tops. Cutting the v grove would have been so much easier and better.

  6. 5 out of 5

    (verified owner)

    Really helps keep those small trim routers level. I’ve only used it a few times so far but I really enjoy it.

  7. 5 out of 5

    (verified owner)

    This is a great product at a reasonable price. Not to mention the shipping to Canada was surprisingly fast! Thanks!

  8. 5 out of 5

    Great to give a more stable base for a smaller router. Having hand holds is even better.

  9. 5 out of 5

    (verified owner)


  10. 5 out of 5

    (verified owner)

    Great Product !

  11. 5 out of 5

    (verified owner)

    Just what I wanted

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