Graveer de binnenkant van de ring met de M20

M20 Jewel

M20 Jewel: Jewelry engraving machine for flat and cylindrical items
Tool types

Rotary, diamond engraving

Marking area

100 x 100 mm

Compatible Materials

Plastics, metals and organic materials (glass, wood)

The M20 Jewel is dedicated to flat and cylindrical jewelry engraving. Easy to use, versatile and portable, the M20 is the jeweler's best friend!
  • Modular
    The M20 Jewel rotary engraver is the ideal solution for ring engraving (inside and outside of rings), jewelry engraving & pendants, personalizing gift items and engraving photos or logos. The M20 Jewel is also able to create small pieces of jewelry.
  • Compact
    The size of a small printer, this jewelry and ring engraver is easy to carry and fits anywhere in your working area, be it a small store or a busy workshop! Designed for customer safety, the M20 Jewel perfectly finds its place in any retail environment: personalization creates unforgettable customer experiences.
  • Robust mechanics
    This jewelry engraving machine benefits from a new sturdy bridge and a stronger spindle. Its new design is a guarantee of longevity and durability, giving the M20 Jewel the heart and inner workings of an industrial powerhouse.

Are you looking for a more versatile engraving machine? Discover the M20, a complete solution made for gift engraving, small signage and retail personalization.

Technical Specifications

M20 Jewel rotary engraver – jewelry, ring, pendant and charm engraving machine

Unobstructed access.

Engraving assistance

  • Depth nose unit for surface tracking
  • Automatic detection of the object height. Compatible with any piece of jewelry: ring, pendant, charm, bangle and more.

Positioning assistance

  • Self-centering vices
  • Point & Shoot technology for engraving positioning and simulation
  • Engraving preview

Wide range of tools

Create custom engraved pendants, rings (inside ring engraving and outside ring engraving), charms and more with our specific jigs, or with diamonds, rotative diamonds or cutters. We have an extensive choice of +300 references among our OneCut and TwinCut tool ranges. You can now cut and drill without changing your M20 Jewel spindle.

Connectivity to computer and tablets via Bluetooth and USB.


Rotary, diamond dragging

Marking Capacity

Marking area max
100 x 100 mm (3.9 x 3.9 in)

Spindle power
30 W

Max object height
100 mm (3.9 in)

Max item diameter
27 mm (1.06 in)

Machine weight
13,5 kg (29.762 lbs)

Machine dimensions (L x W x H)

375 x 350 x 360 mm (14.764 x 13.780 x 14.173 in)

Machine weight

11.9 kg (26.235 lb)

Max. object size (L x W x H) (weight)

190 x 110 mm (7,5 x 4.3 in) or unlimited x 60 mm (2,36 in) - (10 kg - 22,04 lbs)

Point & shoot


Connection to computer

USB / Bluetooth


ABC / Gravostyle / Gravotouch

Spindle Type

Top load spindle
Hollow shaft motor

Z stroke (Z travel)

30 mm (1.181 in)

Tool diameter

4,36 mm (0,17 in)

Rotation speed

19800 rpm

Noise level

<70 dB

Operating Temperature

min. +5°C (+ 41°F) - max. +40°C (+104 °F)

Automatic Z axis


Maximum speed

40 mm/s (1,58 in/s)

Ring engraving with the M20 jewelry engraving machine

Thanks to the rotary device, bring a unique touch to all your creations by personalizing them easily, engrave messages on the inside or outside of rings and quickly switch to curved bangles.

With specialized cutters and diamonds, this jewelry and ring engraving machine is the perfect complement to your creations!

M20 Cube for retail personalization

Compact and discreet, the M20 Jewel can fit into any retail space, from department stores to luxury boutiques. It takes only minutes to train an operator and seconds to create custom engraved pendants, charms or rings that the customer will enjoy for years.

Cutting table of the M20 Jewel rotary engraver

You can always ask more from your M20 Jewel!

Create personalized pendants and charms by cutting metal with your jewelry engraving machine. No need for a more powerful spindle or expensive software add-ons! Cut any traditional jewelry metal (gold, silver, brass and many more) up to 2mm.

Add dedicated accessories such as chip collectors to avoid precious material waste, lubricant or jewelry cutting jigs to get the best result possible.

De M20 is eenvoudig in gebruik dankzij de simpele bedieningsknoppen

No need to be an engraving expert to use the M20 Jewel.

Our jewelry and ring engraver helps you with your engravings to make sure you achieve exactly what you had in mind.

The Point & Shoot feature guides you by visually simulating with a red light the location of the engraving before it is made. You can then precisely adjust the positioning of the jewel to be engraved or review the size of the engraving.

M20 Jewel: jewelry engraving machine with dedicaded accessories

Dedicated accessories for jewelry engraving

Engraving and cutting jigs
Choose the exact jig you need for your application among our exhaustive range. Easy switching and positioning.

Rotary device
Initially designed for the engraving of cylindrical objects, the rotary device allows outside and inside ring engraving. 

Cutting table
Fasten your precious metals during cutting to prevent them from moving while the machine is working and get a clean and precise cut.

Engraving gel
Use engraving lubricant to increase your tool lifetime and get a smoother engraving on glass or cutting on metals.

Spaanderafzuigsysteem (chip collector) voor CNC graveertafels

Chip collector

Rotary engraving produces dust and chips that can interfere with the engraving process or scratch the engraved gift or item. Keep your engravings clean with a chip collector.

Using a chip collector ensures a perfect engraving result as the material residues are immediately sucked up.
It also helps you to keep your rotary engraver clean at all times and reduces maintenance needs.

This rotary engraver can handle more than 30 materials

Glass, crystal
Wood​​, varnished wood
PMMA, Acrylic
Anodized Aluminum​​
Coated metal
Gold, silver, nickel, platinum
Stainless steel​​
= Marking / Etching
= Cutting
= Engraving / Deep marking

M20: Gravograph historical best-seller

Gravograph was created in 1938 under the name "New Hermes". Dedicated to personalization and signage, our historical brand developed the iconic M20 engraver at the beginning of the 2000’s.

Gravograph’s aim was to develop a versatile machine at an affordable price. The light weight and compact dimensions of the M20 quickly made it a flagship product of Gravograph. It is particularly popular with express engravers, small and medium-sized companies and jewellers.

In 2018, The Gravograph M20 is chosen to engrave all the Golden Globes trophies thanks to its high-speed personalization capacity. A great occasion for the whole team to celebrate not only the awarded talent but also the unquestionable engraving qualities of this machine!

Thoughout the years, Gravotech has developed the expertise to design the M20 Jewel, an engraver that includes the tools jewellers need to engrave and create unique pieces.

M20 - rotary engraving machine - Gravograph