How to Change the Bits on an Old Black & Decker Router

Written by jonra springs
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How to Change the Bits on an Old Black & Decker Router
Router bits handle a variety of woodworking functions. (router bit s image by Michael Cornelius from

Black & Decker routers perform several special detailed woodworking jobs. Different router bits are shaped for the types of grooves or bevels desired. Installing a new router bit correctly is essential for care of the collet, or sleeve that holds the shank of the bit. Use the right router bits for your woodworking projects, and install them properly to preserve the working condition of an old Black & Decker router.

Skill level:

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Things you need

  • Collet wrenches

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  1. 1

    Lift the clip rod on the bottom of the chip deflector and pull the deflector shield outward to remove it from the router. Set the spindle lock if your model has one. Hold the spindle lock button above the bit and turn the spindle until the lock snaps and stops it from spinning.

  2. 2

    Loosen the collet nut with the special router wrench, or wrenches that come with the tool. Black & Decker models without a spindle lock may use two wrenches to loosen and tighten the collet.

  3. 3

    Slip the current router bit out of the open collet. Insert the shank of the replacement bit with 1/8 inch protruding out from the collet sleeve. Hold the spindle lock button down while tightening the collet with the special wrench, using just enough force to make the sleeve grip the shank firmly. Avoid tightening the collet with too much force. Use both the provided wrenches to tighten the collet on models that don't have a spindle lock. Use one hand to grip both wrenches to apply the correct tightening force.

  4. 4

    Insert a collet adaptor to change between 1/2-inch and 1/4-inch router bits. Place the adaptor sleeve into the open collet so the slot on the adaptor aligns with the collet slot. Insert a 1/4-inch bit into the adaptor sleeve and tighten the collet by holding the spindle lock button and tightening the collet nut with the special wrench, or by tightening the collet nuts with both wrenches.

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