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Grizzly G0574 Guitar Fretboard Radiusing Sander

Almost all guitar fretboards have a radius on them. For example, steel-string guitars generally have a 12″, 14″ or 16″ radius across the fretboard. Electric guitars range from 10″ to a compound radius that starts with a 10″ at the nut and ends with a 14″ radius at the pickup end.

Designed in the USA by our friends at Merlin 5, the radius attachment that comes with the G0574 Guitar Fretboard Radiusing Sander was specifically made for shaping fretboards. It is the first commercially available, heavy-duty radius sander that is capable of sanding compound radii from 10″ to 16″ and everything in between.

With nearly 30″ of sanding surface, this jig is capable of sanding bass necks/fretboards as well. The 28-1/2″ x 1-1/2″ aluminum base plate has plenty of room to mount a vacuum or clamping system, which can hold either your fretboard or a complete neck for radiusing. If you shape your own guitar necks or fretboards, the G0574 Radius Sander machine will ensure precision results.


Motor: 1.5 HP, 110V/220V (prewired 220V), single-phase, 20A/10A

Belt speed: 1800 FPM

Belt size: 6″ x 80″

Graphite-coated platen size: 6-3/4″ x 29-3/4″

Overall dimensions: 42-1/2″ W x 32″ D x 74″ H

Approximate shipping weight: 252 lbs.


Quick belt release

Micro adjustment knob for sanding height

10″ to 16″ adjustable fretboard radius

Powder-coated finish

Mechanical ON/OFF switch

Shielded and lubricated bearings

4″ dust port

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