Tuner Pin Drill Jig

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Tuner Pin Drill Jig

Item # 4857
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Tuner Pin Drill Jig

About This Item

Aligns your hand drill for accurate tuning machine mounting pin holes.

This anodized aluminum jig accurately locates mounting pin holes in the back of a guitar headstock. Use it before drilling for the alignment pins found on many modern enclosed tuning machines. These tuners don't use the traditional exposed tuner mounting screw, but rather a hidden pin on the underside of the tuner housing.

It keeps your hand drill perpendicular for accuracy, and works for left or right-side tuners. You can position single-pin Schaller tuners, two-pin Schallers, one-pin Sperzels, and Fender locking tuners. The jig fits into the peghole with a self-centering bushing and thumbscrew for quick and easy attachment. Instructions included.

This jig is designed for use with a No. 38 (.101") drill bit. Measure the height of the alignment pins on your tuners and drill the holes to the appropriate depth.

This product is made exclusively for Stewart-MacDonald by


Product Instructions

Tuner Pin Drill Jig Instructions

How to install tuners with set pins (as opposed to screws) with the Tuner Pin Drill Jig.

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  • 4.75 average rating from 36 reviews
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great tool to have on hand

(Customer's Reviews)

this have been on of the most used tools in the shop recently. I should have purchased this years ago.


an absolute time saver

(Customer's Reviews)

This is by far one of the best jigs at the shop, easy to set up and saves a load of time. I highly recommend this product .


The jig is up.

(Customer's Reviews)

Bought this for a new neck that didn't have the 2 pin holes required for the Fender locking tuners. Works perfect. Got the holes drilled, no sweat, tuners lined up perfect.

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StewMac PDF Catalog, page 21 See Tuner Pin Drill Jig
on page 21 of our StewMac Catalog PDF

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