12mm Solid Carbide End Mill DIN 844 NR Short Multi-Flute 36mm Cutting Length 45° Chamfer Centre Cut Helix Recessed Rope Profile Cylindrical Shank Weldon Right-Hand - TECWERK

Take advantage of a robust combination of HSS‑Co5 material and a secure Weldon shank for consistent milling of steel and cast iron; enquire via Metav Werkzeuge for application advice or to place an order through our consultants.

TECWERK end mill (DIN 844 Type NR), HSS‑Co5, D 12 mm, Weldon shank

TECWERK end mill (DIN 844 Type NR) — a short, multi‑flute cutter engineered for precision milling of steels and castings in medium‑duty production environments

• HSS‑Co5 high‑speed steel
• DIN 844 Type NR, short multi‑flute
• 45° protection chamfer, centre cutting
• Weldon shank with drive flat

Consistent cutting performance for medium‑strength materials

The tool is manufactured from HSS‑Co5, a cobalt‑alloyed high‑speed steel that retains hardness at elevated temperatures, which translates into reliable edge life under continuous cutting conditions. The cutter is specified for work up to ≈800 N/mm² with an uncoated tool and can reach ≈1000 N/mm² when coated, providing a clear operational envelope for mild and medium steels. This combination of material and specification ensures predictable wear characteristics and helps planners calculate tool replacement intervals more accurately, improving process stability and reducing unexpected downtime.

Design features that improve stability and surface finish

A short multi‑flute geometry with a 45° protection chamfer and a centre‑cutting configuration promotes smooth entry and reduced axial load during plunge and peripheral milling. The relieved, ground core profile reduces chatter by balancing rigidity and chip formation, while the multiple cutting edges distribute wear for a finer finish on the component. These design choices make the cutter suitable for finishing passes where surface quality and dimensional repeatability are priorities, and they support achievable cycle‑time improvements in serial production.

Shop‑floor integration and practical advantages

The Weldon shank with drive flat provides secure clamping in standard holders, lowering the risk of slippage under moderate torque and enabling safe use in milling machines and machining centres. Right‑hand cutting and the short effective length suit setups with limited overhang, improving rigidity and allowing higher feed rates compared with longer tools. The tool is described as very well suited for steel and cast iron, with conditional suitability for non‑ferrous metals; this profile fits general workshop and light industrial applications where a durable, general‑purpose cutter is required.

Application guidance and cost‑efficient planning

Because the cutter is a Type NR (DIN 844) short variant and a multi‑cutter, it works best for operations prioritising tool life and surface integrity over very aggressive material removal. For high removal rates, consider optimising feeds, speeds and coolant strategy; for fine finishing, the geometry supports lower feed per tooth to enhance surface finish without sacrificing tool life. Using the tool within its specified hardness limits enables a straightforward cost‑benefit calculation for production batches and supports predictable procurement schedules.

For machining tasks that demand a sturdy HSS solution, contact Metav Werkzeuge for tailored advice on holders and machining parameters or to request availability of the TECWERK end mill (SKU 2000866426NW) — eMail info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 2000866426NW
• UID: 2000866426NW
• Designation: Schaftfräser DIN 844 Typ NR D.12mm Einsatz‑L.36mm HSS‑Co5 Weldon TW
• Manufacturer: TECWERK
• Packaging unit: 1

Facts

• Diameter: 12 mm
• Effective length: 36 mm
• Hardness capability uncoated: up to 800 N/mm²
• Hardness capability coated: up to 1000 N/mm²
• Protection chamfer angle: 45°

Special features

• HSS‑Co5 material
• DIN 844 Type NR
• Multi‑flute, short design
• Centre cutting
• Right‑hand cutting
• Weldon shank with drive flat
• Cylindrical shank with drive face
• Relieved (hinterschliffenes) core profile
• Very well suited for steel
• Very well suited for cast iron
• Conditionally suitable for non‑ferrous metals

FAQ

What materials is this cutter best suited for? This TECWERK end mill is described as very well suited for steel and cast iron, with conditional suitability for non‑ferrous metals; adherence to the stated hardness limits ensures best results.

Can the tool be used for plunge milling? The centre‑cutting geometry permits plunge operations; the short, rigid design and 45° protection chamfer support controlled axial engagement when set up with appropriate feeds.

How does the Weldon shank benefit clamping security? A Weldon shank with a drive flat gives a positive mechanical drive in standard toolholders, reducing the chance of slippage under torque compared with smooth shanks and aiding repeatable results on the shop floor.

What performance can be expected on hardened materials? Performance is quoted up to approximately 800 N/mm² uncoated and about 1000 N/mm² with a coated variant; for materials above these figures, consider specialised tooling designed for higher hardness.

Is this tool suitable for finishing passes in serial production? Yes, the multi‑edge geometry and relieved core profile are designed to deliver a stable cutting action and good surface finish, making the cutter a practical choice for finishing operations in repetitive production.

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