Zund E6 E7 E8 E6-A E7-A E8-A Engraving Braille Bits Specifications Dimensions Select Application Comparison Chart
Here is a detailed comparison and specification chart for the Zund engraving bits E6, E7, E8, E6-A, E7-A, and E8-A including their applications and dimensions:
|
Model |
Engraving Diameter |
Angle |
Max Routing Depth |
Max RPM |
Shank Diameter |
Cutting Edges |
Recommended Materials |
Features/Applications |
|
6 mm |
92° |
2.7 mm |
50,000 |
6 mm |
1 |
ACM, Aluminum alloy, PVC, foam, plastic, wood |
Fine processing, high-speed engraving |
|
|
E6-A |
6 mm |
92° |
2.7 mm |
50,000 |
6 mm |
1 |
Acrylic, Aluminum, Aluminum-plastic panels, polycarbonate, wood |
With stop ring, precise detail engraving, ARC system compatible |
|
6 mm |
60° |
4.7 mm |
50,000 |
6 mm |
1 |
Acrylic, plastics |
Polished, balanced, general engraving |
|
|
E7-A |
6 mm |
60° |
4.7 mm |
50,000 |
6 mm |
1 |
Acrylic, plastics |
Polished, balanced, stop ring |
|
6 mm |
40° |
7.5 mm |
50,000 |
6 mm |
1 |
ACM, Aluminum alloy, expanded PVC, foam, plastics, wood |
High precision engraving, deeper cuts |
|
|
E8-A |
6 mm |
40° |
7.5 mm |
50,000 |
6 mm |
1 |
Acrylics, plastics |
Polished, balanced, stop ring, ARC system compatible |
Zund E6, E7, E8, E6-A, E7-A, and E8-A engraving/Braille bits are precision tools commonly used for high-speed braille engraving and intricate markings on a wide range of rigid and semi-rigid materials, including various plastics, acrylics, wood, aluminum, and composite panels. All versions share key characteristics—single cutting edge, 6mm shank, optimized for up to 50,000 RPM, and designed for Zund’s engraving modules.
Additional Information:
· All bits are single flute with 1 cutting edge.
· The "A" versions usually have a polished finish, balancing, and a stop ring to limit cut depth, suitable for ARC tool changer system use.
· The angle indicates the bit tip angle affecting the engraving profile: 92° for general engraving, 60° for finer detail, and 40° for deeper, sharper engravings.
· These bits are compatible with Zund RM-A, RM-A QC, RM-L, RM-S, and ARC routing tools.
· Recommended materials cover a broad range from aluminum, plastics, acrylics to wood and foam boards.
For Braille engraving, Zund uses a specific Raster Braille Tool (RBT) that efficiently drills precise holes and inserts spheres for tactile signage, not typical engraving bits.
This comparison should help in selecting the appropriate Zund engraving bit based on desired engraving depth, material, and detail level.
Below is a specification summary of each bit type:Selection Considerations:
- Choose a higher angle (E6/E6-A: 92°) for finer detail or thin material engravings (well-suited for Braille dots).
- The middle option (E7/E7-A: 60°) is versatile for standard acrylic/plastic signage.
- The lower angle (E8/E8-A: 40°) is ideal for deeper, wider cuts—useful for tactile and braille markings in thicker panel materials.
- "A" variants (E6-A, E7-A, E8-A) feature a stop ring for easier tool changes, repeat setup positioning, and compatibility with Zünd ARC automated modules.
For precise Braille applications, the most commonly recommended bits are the E6/E6-A (92°) for small round dots and E8/E8-A (40°) for deeper and wider tactile markings, depending on substrate thickness and ADA signage requirements.
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