E3 Pneumatic PROFESSIONAL Engraving Machine – Precision, Power, and Performance
Every component of our machine has been thoughtfully upgraded to deliver the strongest-hitting, most durable engraving tool in its class—all at an affordable price.
Key Features:
Adjustable Hit Pressure: Manually control the impact force for ultimate precision
Speed Control Dial: Operates from 100 to 4000 SPM, clearly displayed on the machine face
PSI Gauge: Monitor air pressure in real time
Internal Upgrades: Engineered for long life and consistent, powerful performance
included E3 Handheld Handpiece
The E3 Handheld Hammer Handpiece features several upgraded components for improved performance and durability:
- Larger-diameter hose
- Hardened blue connecting hose
- Upgraded piston
- Hardened Allen wrench
- Extra O-ring
- Extra screw
- Two interchangeable fittings included
Two Fittings Included
The handpiece comes with two fittings:
Standard Fitting – Softer Hit
Installed on the handpiece and ideal for lighter engraving work.
Large Fitting – HARD Hit
Included separately and provides a stronger, harder impact. For general deep metal engraving, we recommend using the larger fitting.
The fittings can easily be changed by the user depending on the type of engraving being performed.
IMPORTANT – Maintenance Required
The handpiece MUST be opened and the piston oiled every 20 hours of use.
Failure to properly oil the piston can cause the handpiece to overheat and the piston to seize.
If the handpiece overheats or seizes:
- Allow the handpiece to completely cool down.
- Unscrew and open the handpiece.
- Remove and oil the piston.
- Reassemble the handpiece.
The piston is the bullet-sized metal piece with indented rings along its sides.
Reassembly Order
Spring → Piston → Screw the handpiece back together
Regular lubrication will help prevent overheating, reduce wear, and keep the handpiece operating properly.
PLEASE BE AWARE: The handpiece is a wearable tool and has a limited lifespan—it will not last forever. Proper maintenance is essential. Be sure to oil the piston regularly and take proper care of the handpiece. With proper use and maintenance, the handpiece can provide hundreds of hours of reliable operation.
Important Note:
For extra-deep cuts, this machine is compatible with GRS 720 or 721 handpieces.
Color of fittings may be different, throttle is 6mm, handpiece hose is 4mm.
What else do I need to start engraving?
You will need:
- Air Compressor: A 2-gallon compressor with at least 1 HP is recommended. Please see our Recommended Tools page for suggested compressors.
- Graver: A graver is required and can be purchased directly from our shop. For beginners, I recommend starting with the standard 116° engraving graver, which is a great all-around choice for general engraving.
With an air compressor and graver, you’ll have the essential items needed to get started engraving with your E3 system.
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