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Thread: Bosch Router Plate Hole Pattern?

  1. #1

    Bosch Router Plate Hole Pattern?

    Anyone know where a measured Drawing can be found? I'm making plates for a 1617 fixed base.

  2. #2
    Quote Originally Posted by johnny means View Post
    Anyone know where a measured Drawing can be found? I'm making plates for a 1617 fixed base.
    Got the old base plate? If so, double stick tape it to new base plate material, and use transfer punches (less than ten bucks from HF) to mark location of holes on new base plates. I have used sharpened screws, threaded into router to mark holes. You have to press down really hard, but it's doable.
    Last edited by Bruce Wrenn; 09-11-2018 at 9:44 PM.

  3. #3
    I measured my Bosch 1617evs fixed router base tonight, I found the hole pattern is an equilateral triangle with the sides of the triangle precisely 4.002 inches with my calipers. I think they meant it to be 4 inches.
    Screenshot 2024-06-20 030510.jpg

    According to the calculator, the BCD radius should be 2.3094" and the radius to the line would be 1.1547"

    The following routers use this three hole patttern:
    STANDARD 3-HOLE PATTERN
    Bosch MRC23 Series, 1617-1618
    DeWalt 616-618
    Hitachi M12VC (fixed and kit)
    Makita 1100
    Milwaukee 5615-5624
    Porter-Cable 690, 890,
    7529, 97529 and 8529
    Ridgid 2930 Combo Kit

    The Bosch 1619 does not.

  4. #4
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    Place your router base down on a copier or flat bed scanner and scan the hole pattern. Cut it out and stick it on your new plate.
    Lee Schierer
    USNA '71
    Go Navy!

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  5. #5
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    Quote Originally Posted by Bruce Wrenn View Post
    Got the old base plate? If so, double stick tape it to new base plate material, and use transfer punches (less than ten bucks from HF) to mark location of holes on new base plates. I have used sharpened screws, threaded into router to mark holes. You have to press down really hard, but it's doable.
    Same idea here. Use the existing base clamped to the new plate. I used a Vix type bit to mark the holes then drilled them the appropriate size.

  6. #6
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    Yep.
    Colt Teardrop (4).jpgColt-Offset-2.jpgColt Teardrop (3).jpg
    But if you are trying to make them in a vacuum I think Loring has your answer.
    "A hen is only an egg's way of making another egg".


    Samuel Butler

  7. #7
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    Quote Originally Posted by Lee Schierer View Post
    Place your router base down on a copier or flat bed scanner and scan the hole pattern. Cut it out and stick it on your new plate.
    I wouldn't trust this, most copiers have more distortion in the copy than you'd think, due to all the lenses and mirrors that the image goes through. I have this same router and it's pretty fussy about the hole locations.

  8. #8
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    My favorite material for custom bases is synthetic bowling alley surface. It's a bit less than 3/8" thick, solid phenolic, flat, and wear resistant enough to get thousands of bowling balls dropped onto it and slid along it. You just have to get past the fake woodgrain.
    Attached Images Attached Images

  9. #9
    Quote Originally Posted by Tom M King View Post
    My favorite material for custom bases is synthetic bowling alley surface. It's a bit less than 3/8" thick, solid phenolic, flat, and wear resistant enough to get thousands of bowling balls dropped onto it and slid along it. You just have to get past the fake woodgrain.
    I did not know such a thing existed.

    Yup, I'm gonna need a minute to process this.

  10. #10
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    If you catch some bowling alley being resurfaced, the contractor installing the new surface has a bunch of scraps they need to throw away anyway, so not only is it an idea thing to use for this, it costs nothing.

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