Mastering the Art of Safely Removing a Broken Tuning Pin in Piano Repair

Illustration showing the setup for removing a broken tuning pin, featuring a 1/4" drift punch, support blocks, and jacks positioned to allow the pin to drop through a 1/2" hole in the key bed.

How to Safely Remove a Broken Tuning Pin: A Step-by-Step Guide for Piano Technicians

Occasionally, piano technicians face the frustrating situation of a broken tuning pin. how to remove a broken tuning pin? Whether due to rust, overtightening, or old age, extracting it without damaging the pinblock is crucial.

Here’s a condensed guide, inspired by the Piano Technicians Journal (Jan. 1980), on how to handle it like a pro.

🧰 Tools You’ll Need to Remove a Broken Tuning Pin:

• T-handle tuning pin extractor with reverse threads

• Drill and 5/32” high-speed steel bit

• Center punch

Optional: “Ezy-Out” tapered spiral extractor (for challenging situations)

🔧 Extraction Methods to Remove a Broken Tuning Pin:

1. Use a T-Handled Extractor Perfect for standard breaks at the becket hole. Turn counterclockwise to grip and extract the pin. This is the gentlest method and safest for the pinblock.

2. Use a Star-Tip Extractor Head on a Tuning Hammer More compact, fits in your case. It grips less effectively but works with care.

3. Drill and Use Ezy-Out (When the pin broke below the becket)

• Drill a centered hole (5/32”, at least ¾" deep).

• Insert the extractor and carefully twist it out.

• Be cautious: if the extractor breaks inside, the situation becomes almost unfixable.

4. Drive It Out from Below (Grand pianos only)If the pinblock is open underneath, use a drift punch to push the broken pin downward. Support the block to avoid damage.

⚠️ Common Mistakes to Avoid when Remove a Broken Tuning Pin:

• Don’t use a tapered punch—it spreads the hole.

• Don’t skip the center punch when drilling.

• Never use damaged or off-center extractors.

🔄 Final Step:

After removal, insert an oversized pin to restore tuning stability.

🎯 Conclusion:

Whether you’re a seasoned rebuilder or just starting out, mastering this repair is essential. Extracting a broken tuning pin properly preserves the structural integrity of the piano and your professional reputation.

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📌 Need help choosing the right extractor tool? Or want a demo video guide? Contact Alexander Piano Services for one-on-one technical support.