Musicnomad MN850 - Safe Diamond Fret File
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What you need to know
What you need to know
- Safe Zone: no diamond grit at the top of the arc to reduce the risk of excessive filing
- 240 diamond grit and optimized radius for consistent and precise fret crowning
- Comfortable silicone handle, offset for more leverage and less fatigue
- Compatible with all fret sizes (ideal for nickel silver frets)
Manufacturer Information
Musicnomad
https://www.musicnomadcare.com
info@musicnomad.com
------------------------
Safety manager:
HIGH TECH DISTRIBUTION
Email: pro@htd.fr
Address:
A Fret File Designed for Increased Precision
The MN-850 "S-File" is designed for fret crowning with reassuring control, without relying on markers and constant checks. Its wide channel prevents the too "flat" feeling common with other files, while guidelines on the nose help aim accurately during finishing. Perfect for maintenance and lutherie on acoustic and electric guitars, basses, banjos, and ukuleles. As with any file, use on stainless steel frets may reduce its lifespan.
Technical specifications
| Category | Tools | Use | Bass, fret, guitar |
| Type | fret crowning file ("S-File") | Suitable for | acoustic, electric, bass, banjo, ukulele |
| Technology | Safe Zone (arc top without diamond grit) | Handle | blue silicone, ergonomic |
| Abrasive | diamond grit | Design | offset handle for better leverage and body clearance |
| Grit | 240 | Guidance | custom lines on the nose for precise crowning |
| Compatibility | all fret sizes | Channel | wide, profile not too flat |
| Recommended fret material | nickel silver | Convenience | hanging hole |
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Questions frequently asked
Is the Musicnomad MN850 suitable for frets of all sizes?
The S-File file is compatible with all fret sizes thanks to its wide channel, designed to prevent an overly flat profile during crowning.
Can this file be used on stainless steel frets?
Use is still possible on stainless steel, but this material may reduce the lifespan of the diamond abrasive. Nickel silver is the recommended fret material.
What is the grit of the MN850 diamond file?
The diamond abrasive has a 240 grit, suitable for fret crowning work.
Can the MN850 be used for bass or ukulele?
This file can be used on acoustic or electric guitar, bass, banjo, and ukulele. Its offset handle provides more leverage while clearing the instrument body. Guiding lines on the tip aid aiming during finishing.
How does the Safe Zone protect the fret during crowning?
The Safe Zone technology corresponds to an arc peak free of diamond grains. This area allows shaping the fret profile with increased control, without relying on markers.
