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 bits
- Small wood block
- Bridge post tool
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.
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).
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.
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.
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.
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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