How to Install Tailpiece Posts on a Guitar

Written by eric linkenhoker
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How to Install Tailpiece Posts on a Guitar
(Comstock/Comstock/Getty Images)

Guitar tailpiece posts hold stop bar tailpieces on top of a guitar's body. The strings thread through the tailpiece before crossing over a fixed bridge. Replacing an old tailpiece requires no drilling into the guitar. Fixing a new bridge to a guitar that had no prior tailpiece involves drilling holes into the guitar body. Drilling can ruin a guitar or make for expensive repairs. Take care with each step to avoid damaging the instrument.

Skill level:
Moderately Challenging

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Things you need

  • Tailpiece posts
  • Measuring tape
  • Grease pencil
  • Drill
  • Drill bits
  • Hammer
  • Small wood block
  • Bridge post tool

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  1. 1

    Mark the positions for the tailpiece posts with a grease pencil. Follow the instructions for your specific tailpiece. The typical position is 1 1/2 inches to 2 inches behind the guitar bridge. Measure the correct space with a tape measure. Skip to step four if you are replacing an old tailpiece.

  2. 2

    Drill a guide hole with a 1/8-inch width drill bit. Drill straight into the guitar body to a depth equal to the length of the tailpiece post studs (the lower part of the tailpiece posts that fits into the guitar body).

  3. 3

    Change drill bits to match the diameter of the tailpiece post studs. Drill the guide hole out with the larger bit. The studs will now fit the holes.

  4. 4

    Remove the threaded posts from the tailpiece post studs and set them aside. Place the studs in the top of the holes in the guitar.

  5. 5

    Place a small block of wood on top of the studs to avoid hitting them directly. Tap the studs into the guitar with a hammer.

  6. 6

    Thread the tailpiece posts into the studs. Although not necessary, a bridge post tool will help avoid damaging the guitar body with a standard wrench.

Tips and warnings

  • Take measurements from another guitar of the same make to determine placement for the posts.
  • Do not hit the guitar finish when tapping the tailpiece posts into the body.

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