Tricks for DIY Tuning Pegs

Music Woodworking Workshop
Tricks for DIY Tuning Pegs


The tuning peg might be one of the trickiest parts of a stringed instrument to get right while still remaining DIY. There are easy, time-tested methods of accurately and reliably tuning strings such as a set of machine heads like these.
Or try using zither pins (these are actually amazingly useful, I ordered 100 when I started out and quickly went through them).
If you’re lucky, you can try asking any local piano-repair/tuners if they ever throw away old piano tuning pegs. These are basically bigger, stronger versions of the zither pins.

You’ll be glad to know that there are very cheap and very easy alternatives that you can get the parts for in most local hardware shops. If you’re thinking of making up your own, all you need to understand about pegs is that they control the tension in a string. Most, like those above, do this by wrapping the string around something sturdy and stretching it when the sturdy part is rotated. But you can also stretch the string in other ways using whatever you have lying around and a good dose of creativity.

I’m sure I’m not the first person to have thought up the following alternatives, but they just happen to be a few that I’ve tried out in my few years of making. There are uncountable different methods of tuning out there. Hopefully some of these ideas might inspire you to create your own.

Stretching with Bolts and Washers

For these tuners the string is tied tightly to a washer that’s on the end of a bolt whose nut is close to its end. When you tighten the nut, the bolt slowly gets shorter, pulling on the string and increasing its tension. It’s a tricky method and not the most reliable in maintaining its tuning, but there are times when tuning doesn’t matter as much, making this method quite useful for the right applications.

You can learn in more detail about how these are made in this post.

An alternative to using washers is to find bolts that already have a hole at the end in order to secure the wire. Two readily available examples are eye bolts and the bolts used to secure plug chains to baths and sinks.
Note: It’s best to tie the string tight when the nut is close to the very end of the bolt, this gives you more space to tighten/increase tension in the string.


You can twist two strings around each other enough that it will seem like one slightly larger string. The more you twist, the more tension.

I’ve managed to turn a pringle tube into both a resonator and tuning peg in one fell swoop. By having 2 holes in both the lid and the base and looping the string around each hole, you can twist the lid enough to twist the string around itself to increase its tension. The tension of the string keeps the lid in place and prevents it from becoming de-tuned.
You can try this with most round containers, but I’d advise placing a nail, a button, or something firm on the plastic lid to prevent tearing.

Screws and Connectors

For these ones I stripped the plastic coating off some electrical connectors, screwed them tightly to the end of some long thin screws, and tied the string around the connectors’ bolts. These images might help explain it better.

It helps if the wood is of good quality so that the screws don’t slip under tension. Also, different ratings for the connectors denote different sizes, so the larger the amp rating the better.

Notched Bolts

If you can cut a decent sized notch into a decent sized bolt, you can thread the string through it and increase the tension by twisting the bolt and tightening the nut to keep it secure.

This method is surprisingly effective and keeps in tune well. It can be tricky to get the right pitch you’re after in the first place though!

Bolts as More Traditional Machine Heads

You can use the same bolts mentioned above to stretch the strings in the more traditional ‘wrapping around a sturdy round thing’ approach. Again, it can be tricky to get to the right pitch, but once you do it can stay in tune quite nicely.

If you’ve found your own novel ways of tuning stringed instruments, please let us know in the comments.

Tom Fox of Vulpestruments is an amateur experimental instrument maker from London, England. He uses primarily reclaimed and repurposed materials to create new and unique sounds. He hopes to show others how easy it can be to make something new from something old.

6 thoughts on “Tricks for DIY Tuning Pegs

  1. diluded000 says:

    Some banjo plans I saw, I think in Foxfire 1, show a tapered hole with a whittled pin (with thumbscrew like wings) that inserts from the back side. The string tension pulls the taper tighter into the hole.

    That book is an interesting read. The same banjo article recommends that when snatching the neighbor’s cat to skin for the banjo drum, not to take their last one. You don’t want to be impolite.

  2. fuzzy says:

    I was thinking about violin pegs, like diluded000 was describing, easy to make if you know how. cut your peg first(whittle at 2-3 degree taper), then wrap it with sandpaper rough side out to ream the taper on the hole. don’t forget to put pitch or rosin on the pegs to keep them from slipping. It’s probably the oldest method for string tuning, still works even with metal strings.

    1. Andrew Brannan says:

      There’s an instructable floating around out there that uses one leg of a pair of scissors (a single scissor?) to ream the hole, and then cuts the edge of the hole and mounts a razor blade for a pencil sharpener-like peg maker.

  3. dulcimoreinsightbb says:

    Thanks for sharing!

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Tom Fox (Vulpestruments)

Tom Fox, is an amateur experimental instrument maker from London, England. He uses primarily reclaimed and repurposed materials to create new and unique sounds. He hopes to show others how easy it can be to make something new from something old.

View more articles by Tom Fox (Vulpestruments)