Gravotech - M40 rotary engraving machine

M40: Multi-purpose rotary engraving machine for signage and gifts

The M40 is a compact, versatile, custom engraving machine. Its large engraving area makes it a perfect engraving solution for medium-sized and flat objects. It can engrave a variety of materials such as stone engraving, gift engraving, and many more!!


    Don’t let your machine decide what you can or can't engrave. The M40 rotary engraver is 8.26x12in engraving area benefits from an open structure that allows larger items to be engraved when needed. Create custom engraving on very long plastic signage plates, electrical labels, thin wood beams, golf clubs, swords, irregular-shape items, and simply use as a sign engraver.
    The M40 Gift includes an automatic lubricant tank and a rotary device to personalize glasses and bottles. The rotary device can be tilted for conical items. Engrave and personalize any flat or cylindrical items up to 4.33in height.
    Control and adjust your work with our dedicated Gravostyle™ or ABC engraving software, thanks to several options. The M40 comes with an auto-centering jig and a laser beam (Point & Shoot) to help you place the item to engrave, while the engraving software automatically picks up its position. The included Gravogrip™ table firmly holds the item without leftover residue on it.


Technical Specifications

Automatic Z-axis
No need to manually measure your items.

Point & shoot
Easily place your item and start engraving.

Optional Bluetooth
Wireless communication between your software and the machine.

4.36mm spindle diameter
More stable spindle for higher precision.

Compatible with Twincut.

20,000 tr/min speed
Clean and smooth engraving finish.

Deep Vice
To engrave larger items.


Rotary, scribing


Marking Capacity

Marking area max
305 mm x 210 mm (12 x 8.3 in)

Spindle power

Max object height
110 mm (4.3 in)

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

Unlimited x 210 (8.27 in) mm (10 kg - 22.04 lbs)

Dimensions (L x W x H)

550 mm x 510 mm x 390 mm (21.7 in x 20.1 in x 15.4 in)

Machine weight

19 kg (41.88 lb)

Automatic Z axis


Noise level

<70 dB

Spindle Type

Top load spindle
Hollow shaft motor

Point & shoot


Operating Temperature

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

Connection to computer

USB / Bluetooth (option)

Maximum speed

25 mm/s (0.98 in/s)

Z stroke (Z travel)

40 mm (1.57 in)

Rotation speed

20,000 rpm


ABC / Gravostyle / Gravotouch

Tool diameter

4.36mm (0.17 in)

M40 rotary plate engraving machine

The M40 engraving area matches the professional plate standards (doctor, lawyer, notary plate engraving). It is the perfect sign engraver, to engrave small and medium-sized plates and signs. Create in-house technical identification plates, electrical labels, operating instructions for appliances, professional plaques, and many more. The engraving software mirror mode allows engraving on the reverse side of acrylic plates, for a clear and professional finish.

Personalized engraving of plaques

Create all kinds of funeral signage or urn engraving with your M40 engraving machine. Wood, plastic, metal, coffin plates, and even stone engraving, is possible with the M40. Personalized engraving can be accomplished with commemorative items, add text, figures, and symbols to your composition and more.

M40 rotary engraving machine

Add color to your creation after the engraving. Apply black Gravolaque on plaques or plate engraving for a contrasted result, or personalize your plastic signs with cold wax (several colors available). Gravotech offers a wide choice of two-layer materials. Take off the first layer to see the second one, and get colorful signs without adding any chemical product. Check our consumables catalog to see all the color combinations. Compatible with interior and exterior usage.

This engraving machine 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

Associated Products

M40: Gravograph versatile plate engraver

Gravograph M40, medium footprint for a large engraving area


Gravograph developed the M40 with the idea to complete the M range with a versatile engraving machine at an affordable price. This machine offers the user full accessibility to engraving objects.

Based on an innovative “crane-like” mechanical concept, the M40 introduced Gravograph Point and Shoot function to facilitate professional plate engraving, immediately attracting many express engravers.

As the M40 is one of the first computer-controlled machines, Gravograph's customers have enjoyed the software's step-by-step guidance, which eliminates most risk of error.

M40 - Rotary engraver - Gravograph

Service & Support

We offer solutions for the installation and maintenance of your equipment that fit your settings and expectations. Do you want to be automated? We will provide you with our standard operating procedures with training videos available on our online support center. Do you wish to have our technicians present alongside your teams? We visit on-site for support with our experts working hand in hand with you.

Gravotech Services

Our training modules are designed to optimize the use of our solutions and are available for our full range of machines, software, and accessories and are designed to fit the level and profiles of the training participants, online, remotely, or onsite and at our training facilities. Training is a fully integrated part of the support of our solutions.

Training & commissioning

All our machines are guaranteed 24 months for the supply of spare parts and the cost of in-house labor performed at GRAVOTECH’s premises. We offer warranty extensions and additional service benefits according to your needs. Developed to fit your requirements, we also offer standard or customized service contracts, Global service contract, Software service contract, and a Preventive or curative maintenance contract. Our local technical sales representative is available to provide you with all the necessary information.

Gravotech engraving machine warranty

We bring support in more than 50 countries, where we have an established presence and with our distribution partners. Each of these local teams can, in turn, get support from a regional center close to our production locations and connect with our group international support center based in France, in close connection to our R&D center. This makes us efficient and reactive to your needs for assistance. With the expertise of our support, we can address 80% of your requests remotely, for a quick resolution that secures the continued service of your operations.

Technical support

Thanks to experience gathered with Gravograph and Technifor and our global presence in more than 50 countries with 150 Gravotech technicians and our distributors, we can offer you a wide range of services. Developed to fit your requirements, we offer standard or customized services, Global service contract, Software service contract, and a Preventive or curative maintenance contract.