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StewMac 3/8' Conversion Guitar Tuner Bushing, Hex, Nickel, Set of 6

Free shipping on orders over $29.99

$22.12

$ 9 .99 $9.99

In Stock
  • Our 3/8" Conversion Guitar Tuner Bushings are for adapting 1/4" string posts to fit larger pegholes
  • Made of high quality machined brass
  • Our special tapered knurled press-fit brass bushings let you install Waverly or other tuning machines with 1/4"-diameter string posts into 3/8" or 10mm pegholes
  • Each bushing has an outside diameter of .394" (10.01mm), that tapers down to .375" (9.53mm); hex collar has an outside diameter of .466" (11.84mm)
  • Sold as a set of 6 nickel bushings


Our 3/8" Conversion Guitar Tuner Bushings come in round and hex shape bushings for adapting 1/4" string posts to fit larger pegholes. Set of 6.

Adapts a 1/4" string post to fit larger pegholes. Our special tapered knurled press-fit brass bushings let you install Waverly or other tuning machines with 1/4"-diameter string posts into 3/8" or 10mm pegholes (such as those used for Gotoh/Grover/Schaller tuners) without the need to plug and redrill the pegholes.

For a perfect fit, we recommend a .393" diameter reamer to cut a clean, accurate counterbore.

Note: these conversions bushings will NOT work on instruments with 10.5mm pegholes. Measure the tuner peghole diameter prior to ordering.

Specs for our hex shape 3/8" conversion bushings:

  • Outside diameter at top of taper: 0.394" (10.01mm)
  • Outside diameter at bottom of taper: 0.375" (9.53mm)
  • Hex-shaped collar diameter: 0.466" (11.84mm)

Sold as a set of 6 nickel bushings.


Peter J. Ott
Reviewed in the United States on July 3, 2019
Solved my challenges on recent Martin
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