125mm Profile A Engraving Cutter D.8mm HSS-EW9Co10 10% Coated? No, Solid HSS, 65-69 HRC, h8 Tolerance +/-2mm - Werner Wilke Zerspanungstechnik GmbH

Benefit from the combination of HSS-EW9Co10 construction, 65–69 HRC hardness and precision-ground geometry for consistent, long-lasting engraving performance; order the engraving cutter directly via Metav Werkzeuge or request technical advice from our consultants.

Engraving cutter Pro A D.8 mm HSS-EW9Co10 by Werner Wilke – 8 mm diameter, 10% cobalt

The Engraving cutter Pro A D.8 mm HSS-EW9Co10 is a hardened, precision-ground tool designed for engraving letters, fine contours and for copy milling in demanding workshop and production environments.

• HSS with 10% cobalt for heat resistance
• Hardened 65–69 HRC for durable edge retention
• Precision-ground Profile A, straight cutting edge
• Suitable for engraving and copy milling applications

High hardness and cobalt alloy for sustained cutting performance

The alloyed HSS-EW9Co10 formulation with 10% cobalt is engineered for elevated thermal stability and wear resistance. Combined with a hardness rating of 65–69 HRC, this specification reduces flank wear and preserves profile accuracy over extended runs. The result is consistent engraving depth and reduced tool changes in batch work, which supports predictable cycle times and lower tooling overhead in production. The material choice also improves resistance to softening at higher cutting temperatures, enabling more reliable processing of tougher workpiece materials.

Precision geometry for clean, repeatable contours

Profile geometry and edge preparation determine the quality of engraved letters and contours. The tool’s Profile A and straight cutting edge, delivered precision-ground, create sharp, well-defined grooves and crisp lettering. The tool includes a pre-ground halfing (Dx1.5) for reliable centring in copy-milling and engraving operations; diameter tolerance h8 and halfing tolerance +0.1 ensure reproducible positioning. These design elements translate directly into improved part quality and less rework when producing fine details or following templates.

Practical dimensions and tolerances for workshop integration

With an 8 mm diameter and an overall length of 125 mm, the cutter balances rigidity and accessibility for many common toolholders. A cutting length of 12 mm provides sufficient engagement for deeper engraving passes while maintaining strength at the tip. Length tolerance +/- 2 mm supports predictable tool set-up, helping to maintain consistent process parameters across tool changes. The combination of compact dimensions and robust construction makes the cutter suitable for both manual engraving fixtures and CNC copy-milling heads.

Application focus and handling recommendations

Designed specifically for engraving of scripts, fine contours and for copy milling, the tool is well suited to operations that demand geometric fidelity. The precision-ground finish and HSS-EW9Co10 composition favour performance on tougher workpiece surfaces where heat generation is a factor. For best results, use stable clamping and moderate feeds that allow the cobalt-steel matrix to dissipate heat; this approach prolongs edge life and maintains profile sharpness. Regular inspection of the cutting edge for chipping will help schedule regrinding before part quality is affected.

For procurement or expert technical guidance on Werner Wilke HSS-EW9Co10 engraving cutters, contact Metav Werkzeuge for direct supply and application support

Technical data

• Article number: 4118430025NW
• Product type: Engraving cutter
• Manufacturer: Werner Wilke Zerspanungstechnik GmbH
• Label: Gravierstichel Pro A D.8mm HSS-EW9Co10 1.3207 Gesamt-L.125mm WERNER WILKE

Facts

• Diameter: 8 mm
• Overall length: 125 mm
• Cutting length: 12 mm
• Hardness: 65–69 HRC
• Diameter tolerance: h8
• Length tolerance: +/- 2 mm
• Halfing tolerance: +0.1
• Cobalt content: 10%
• Werkstoffnummer: 1.3207

Special features

• Material: HSS-EW9Co10
• Profile A
• Hardened, tempered and precision-ground
• Straight cutting edge, halfing pre-ground Dx1.5
• Intended for engraving letters and contours
• Suitable for copy milling applications

FAQ

What materials is this cutter intended for?
The engraving cutter Pro A D.8 mm HSS-EW9Co10 (SKU 4118430025NW) is designed for engraving letters, contours and copy milling; its cobalt-enriched HSS composition improves thermal stability on tougher workpiece materials.

How does the 10% cobalt content affect tool life?
A higher cobalt content in HSS-EW9Co10 increases heat resistance and hardness retention, so the Werner Wilke engraving cutter maintains a sharper profile for longer under elevated cutting temperatures.

What tolerances can be expected from this tool?
Diameter tolerance is h8, length tolerance is +/- 2 mm and halfing tolerance is +0.1, enabling consistent positioning and repeatable results when using jigs or copy-milling setups.

Is the cutter suitable for copy milling on CNC machines?
Yes; the precision-ground profile, straight cutting edge and pre-ground halfing make this cutter appropriate for copy milling tasks where faithful contour transfer is required.

How should the cutting parameters be adapted for best results?
Moderate feed rates and stable clamping are recommended so the HSS-EW9Co10 alloy can dissipate heat effectively; this approach preserves the 65–69 HRC edge hardness and reduces the risk of chipping.

Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com