Matches this guitar's confirmed 10mm tuner holes, a locking upgrade over the stock tuners.
Why we say this
Grover's locking line ships at the same 10mm hole size as this guitar's confirmed tuner holes.
Tuner
Grover 502 Roto-Grip Locking (6-in-line)
Grover's locking version of their Rotomatic tuner line for 6-in-line headstocks, the same 10mm-hole footprint as their non-locking Rotomatics with a locking string post.
6 guitars checked: 5 likely drop-in, 1 needs verification.
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Where to buy
We haven't added a verified place to buy this one yet.
Part specs
Tuner hole size
10mm
ConfirmedGear ratio
18:1
ConfirmedMounting pattern
Single rear mounting screw with a threaded hex peghead bushing.
Installation notes
Grover's locking line ships at the same 10mm industry-standard hole size as their non-locking Rotomatics, a common drop-in on guitars already using modern 10mm tuner bushings.
Guitars we've checked
6 guitars checked: 5 likely drop-in, 1 needs verification.
Matches this guitar's confirmed 10mm tuner holes, a locking upgrade over the stock tuners.
Why we say this
Grover's locking line ships at the same 10mm hole size as this guitar's confirmed tuner holes.
Matches this guitar's confirmed 10mm tuner holes, a locking upgrade over the stock tuners.
Why we say this
Grover's locking line ships at the same 10mm hole size as this guitar's confirmed tuner holes.
Matches the tuner holes already on this guitar. A straightforward locking tuner upgrade, no drilling needed.
Why we say this
Matches the confirmed 10mm tuner bore on this guitar.
Matches this guitar's confirmed 10mm tuner holes, a locking upgrade over the stock tuners.
Why we say this
Grover's locking line ships at the same 10mm hole size as this guitar's confirmed tuner holes.
Built for 10mm tuner holes. This guitar's holes haven't been confirmed at that size, and its stock split-shaft tuners suggest they may be smaller. Measure before buying.
Why we say this
The AZES40 has a curved 6-in-line headstock, so a 6-in-line tuner set is the correct shape here, not the pointed reverse-headstock version. Grover's Roto-Grip locking line is built for a 10mm bore. Ibanez's own AZES40 spec sheet lists the stock tuners as split-shaft machine heads, a vintage-style design that normally uses a bore under 9mm rather than the 10mm modern standard, and the AZES40's actual hole diameter is not published anywhere and has not been independently measured. The higher-tier AZ2204 and AZ2402 Premium ship Gotoh sealed tuners at 10mm, but that is a different tuner design on a different production tier and does not settle the AZES40.
Help confirm this fit
This page has 1 open question
If you have fitted any of these to this 502 Roto-Grip Locking (6-in-line), tell us what you found and we'll update the data.