4mm Engraving Bur Profile A HSS-EW9Co10 10% Co Hardened Precision Ground +/-2mm, h8 - Werner Wilke Zerspanungstechnik GmbH

Take advantage of the combination of durable HSS-EW9Co10 construction, precise h8 diameter tolerance and a pre-sharpened straight cutting edge for reliable, repeatable engraving and copy milling; order the tool through Metav Werkzeuge or consult the team for technical details and supply options.

Pro A engraving cutter, D 4 mm – HSS‑EW9Co10, 63 mm overall length (Werner Wilke)

The Pro A engraving cutter for precision engraving of lettering and contours and for copy milling in industrial workshops and toolrooms.

HSS-EW9Co10 with 10% cobalt
Hardness 65–69 HRC for long tool life
Straight cutting edge, pre-sharpened halving
Diameter 4 mm, tolerance h8, overall length 63 mm

Higher uptime through harder, wear‑resistant steel

The HSS-EW9Co10 composition with 10% cobalt provides a balance of toughness and wear resistance that suits demanding engraving operations. The increased hardness level (65–69 HRC) helps maintain edge geometry under intermittent contact and repeated contouring, which reduces the frequency of regrinding and tool changes. For production environments where predictable tool life and reduced stoppages matter, this tool delivers measurable efficiency gains by keeping setup times low and process stability high.

Predictable results from tight dimensional control

Consistent component quality starts with reliable tooling. The cutter’s diameter 4 mm and h8 tolerance ensure repeatable groove widths and traceable fits when copying templates or machining fine lettering. The specified ±2 mm length tolerance and the defined cutting length create steadiness in feed and depth settings, so finishing steps are easier to program and less likely to require trial adjustments. Explaining the tolerance system: h8 signals a precise shaft fit standard, helpful when matching the cutter to collets and holders in small‑batch or serial production.

Faster preparation and accurate transfer of contours

A straight cutting edge with a pre-sharpened halving minimises preparatory sharpening and supports immediate use after installation. For workshops handling short runs or sample production, the reduced preparation time translates into faster job starts and lower labour overheads. The geometrical consistency of the edge also improves the fidelity of engraved scripts and profile transfers during copy milling, meaning less rework and a better first‑pass yield for finished parts.

Versatile for engraving and template milling applications

Designed for the precise machining of lettering, contours and copying tasks, this cutter’s 63 mm overall length balances accessibility with stiffness. The combination of robustness and fine edge geometry makes it suitable for detailed decorative engraving as well as functional marking. Where clarity of line and contour accuracy are essential, the tool supports both manual and CNC‑assisted workflows, helping workshops deliver consistent, high‑quality results with fewer iterations.

For expert selection and supply of the Werner Wilke Pro A engraving cutter, contact Metav Werkzeuge — reliable delivery from Emmerich and personalised technical advice at info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: 4118430010NW
• Manufacturer: Werner Wilke Zerspanungstechnik GmbH
• Product type: Engraving cutter

Dimensions & tolerances

• Diameter: 4 mm
• Overall length: 63 mm
• Cutting length: 6 mm
• Diameter tolerance: h8
• Length tolerance: +/- 2 mm
• Halfing tolerance: +0.1

Material & properties

• Material: HSS-EW9Co10
• Material number: 1.3207
• Cobalt content: 10%
• Hardness: 65–69 HRC
• Form: Profil A
• Packaging unit: 1

FAQ

What materials is this engraving cutter intended for?
The Pro A engraving cutter by Werner Wilke (SKU 4118430010NW) is specified for precise engraving and copy milling tasks; its HSS‑EW9Co10 composition is chosen to provide enhanced wear resistance suitable for typical engraving applications.

How precise is the shaft diameter and what does h8 mean?
h8 indicates a close manufacturing tolerance for the shaft diameter; the Pro A engraving cutter’s diameter 4 mm with h8 tolerance ensures a predictable fit in collets and toolholders for repeatable machining.

Can the cutter be used immediately or does it need sharpening?
The cutter features a pre-sharpened halving and a straight cutting edge, so the Pro A engraving cutter is ready for immediate use after mounting, reducing setup time in workshop and CNC environments.

What is the expected hardness and how does that affect wear?
With a hardness of 65–69 HRC, the tool balances edge retention and toughness, resulting in longer intervals between regrinding when compared with lower‑alloy high‑speed steels.

Is this tool suitable for both manual and CNC engraving?
Yes, the Pro A engraving cutter’s geometry and tolerances make it appropriate for manual engraving tasks and for precision copy milling on CNC equipment, where consistency of profile transfer is required.

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