How to Use the Router Chamfer Bit

Written by wade shaddy
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How to Use the Router Chamfer Bit
Champher bits have bearings on the bottom. (router bit s image by Michael Cornelius from

Router chamfer bits are one of the most commonly used of all the router bit profiles. They are also one of the easiest to use. A chamfer is essentially any angle other than 90 degrees. There are all different degrees of chamfer angles but the universal chamfer is a 45-degree angle. The versatility of the chamfer is its ability to cut at any depth, creating a smooth decorative bevel on the edge of almost any wood surface.

Skill level:

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Things you need

  • Hardwood, 4 by 36 by 3/4 inches
  • 2 hand clamps
  • Hand router
  • Chamfer bit, 45-degree bevel
  • Wrenches that came with router

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  1. 1

    Clamp the hardwood to the edge of a worktable so the edge of the hardwood is extended 1 inch over the edge of the worktable.

  2. 2

    Set the router down on its side on the worktable. Insert the chamfer bit into the hole in the driveshaft of the router.

  3. 3

    Place the large wrench on the large nut at the base of the router where the shaft of the router emerges from the motor. Place the smaller wrench on the smaller nut. The bit passes through the nut.

  4. 4

    Using the two wrenches against each other, tighten the nuts, tightening the chamfer bit into the router.

  5. 5

    Set the router upright on the edge of the hardwood. Get down at eye level and sight along the edge of the hardwood.

  6. 6

    Loosen the depth-of-cut knob on the side of the router; it's the large knob on the side of the router. Slide the router motor up or down inside the base as you watch where the chamfer cutting edge will contact the wood. When you are satisfied with your depth, tighten the depth-of-cut knob.

  7. 7

    Grab the router with both hands. Inside the handles there is a trigger that turns on the router. Glance down and making sure that the bit is not touching the wood, press the trigger on the router.

  8. 8

    Ease the bit into the wood until the bearing on the bottom of the chamfer bit comes into contact with the wood. Begin walking backwards as you pull the router along the side of the hardwood, watching as it cuts the chamfer onto the edge of the hardwood. When you come to the end, slide the router off smoothly. Release the trigger, wait for the router to stop spinning and set the router down.

Tips and warnings

  • Hang on tight when you turn on a router. They have lots of power and can twist in your hands. Make a test run, shut off the router and then examine your edge. Make any depth adjustments if you need to before continuing.
  • Always wear safety glasses when operating a router.

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