8mm Cylindrical Shank End Mill HSS-Co8 44mm Cutting Length, DIN 844 - TECWERK

Taking advantage of the HSS‑Co8 composition and a 44 mm effective length yields durable performance for deep milling operations; combine the long flute design with the secure Weldon shank for reliable clamping and consistent cycles — order the TECWERK end mill through Metav Werkzeuge or request specialist advice from our consultants.

TECWERK end mill DIN 844 Type N — 8 mm, HSS‑Co8, 4‑flute long

A TECWERK end mill DIN 844 Type N engineered for deep slotting, plunge cuts and general milling of castings and steels in workshop and production environments.

• HSS‑Co8 for high wear resistance
• Long effective length 44 mm for deep cuts
• Weldon shank with drive flat for secure clamping
• Four flutes, centre‑cutting for plunge milling

Reliable deep milling with extended reach

The long version of this cutter combines a 44 mm effective length with a full 88 mm overall length, enabling deeper engagement without frequent tool changes. The four‑flute geometry improves chip evacuation on moderate radial engagement, while the centre‑cutting design permits controlled plunge operations. Constructed in HSS‑Co8, the tool sustains higher temperatures and resists abrasion better than plain HSS, which translates into longer tool life under intermittent heavy cuts. For shops that run mixed batches or require occasional plunge milling, this geometry reduces setup complexity and supports tighter cycle times through reduced tool handling.

Clear guidance on material suitability and cutting limits

Designed primarily for conventional machining tasks, the cutter shows very good suitability for steel and castings, while non‑ferrous metals and stainless steels are only conditionally suitable. Performance guidance from the tool data indicates operation up to approximately 800 N/mm² with an uncoated tool and potential service up to 1,200 N/mm² where coated options are used. These figures help planners match the cutter to job demands: for medium‑strength steels, expect consistent removal rates and good flank wear resistance; for harder alloys or high thermal loads, consider coated alternatives or adjusted cutting parameters to preserve tool life.

Secure clamping and machine compatibility for stable machining

The cylindrical shank is furnished with a Weldon drive flat to prevent slippage in collets or chucks, providing repeatable torque transmission in interrupted cuts. Key dimensions — 8 mm diameter, 10 mm shank, 88 mm overall length and 44 mm effective length — align with common tool holders and toolchanger capacity in machining centres and CNC mills. The cutter conforms to DIN 844, a recognised industry standard for long shank end mills, and features right‑hand cutting for conventional spindle rotation; these attributes simplify tool selection and ensure predictable integration into existing machining processes.

Practical benefits for workshop efficiency and procurement

For production and maintenance shops seeking dependable performance, the combination of cobalt‑alloy steel and long flute form reduces the frequency of replacements and minimises unscheduled downtime. The cutter’s robust construction supports repeatable tolerances, while the Weldon shank and standard dimensions ease tool inventory management. Procuring the cutter via Metav means access to a broad stock range and a European distribution base that emphasises reliable supply — a practical choice for operations that value continuity and a single trusted supplier for precision tools.

Contact Metav Werkzeuge for availability, tailored tooling advice and to discuss the suitability of the TECWERK end mill for specific applications

Technical data

• Article number: 2000866378NW
• Manufacturer: TECWERK
• Standard: DIN 844
• Product type: End mill (long type)

Facts

• Diameter: 8 mm
• Overall length: 88 mm
• Effective length: 44 mm
• Shank diameter: 10 mm
• Number of flutes: 4
• Cutting direction: Right‑hand cutting
• Relief / free clearance: 7.5 mm

Special features

• Material: HSS‑Co (cobalt high‑speed steel)
• Weldon shank with drive flat
• Centre‑cutting geometry (plunge capable)
• Long flute design for deep cuts
• Material suitability: steel — very good; castings — very good; non‑ferrous & stainless — conditionally suitable
• Guidance: up to ~800 N/mm² uncoated; up to ~1,200 N/mm² with coated variants

FAQ

What materials is this end mill best suited for?
The TECWERK end mill is rated very good for steel and castings; non‑ferrous and stainless steels are conditionally suitable depending on cutting parameters.

Can this cutter be used for plunge milling?
Yes — the centre‑cutting geometry and four flutes permit controlled plunge operations as well as conventional side milling.

Which shank size and clamping does it require?
The tool has a 10 mm cylindrical shank with a Weldon drive flat for secure clamping in compatible holders.

Does the cutter conform to a recognised standard?
The cutter complies with DIN 844, ensuring standard dimensions and predictable fitment in tooling systems.

Is the tool suitable for deep slots and extended reach applications?
With a 44 mm effective length and long‑shank design, the cutter is intended for deeper slotting where a longer reach is required.

TECWERK: Manufacturer / Responsible: NORDWEST Handel AG, Robert‑Schuman‑Straße 17, 44263 Dortmund