20mm Solid Carbide End Mill DIN 844 NR Short Multi-Flute TiCN Coated Weldon - TECWERK

Benefit from a robust, high‑performance cutter that combines HSS‑Co5 core strength with a TiCN surface layer for extended life and higher cutting capacity, together with a secure Weldon shank for reliable clamping. Order the tool directly via Metav Werkzeuge or consult our specialists for application advice.

End mill DIN 844 Type NR, 20 mm — HSS‑Co5, TiCN coating (TECWERK)

The End mill DIN 844 Type NR, 20 mm is a short, multi‑flute HSS‑Co5 cutter designed for precision milling of steels and cast iron in general workshop and light industrial applications.

• HSS‑Co5 construction for high wear resistance
• TiCN coating increases cutting strength
• Weldon shank with drive flat for secure clamping
• Centre‑cutting, multi‑flute short design

Reliable cutting performance for production use

Constructed from HSS‑Co5, this short‑fluted tool delivers consistent wear resistance and predictable performance in serial production. The TiCN coating raises surface hardness and improves thermal resistance, which translates into longer tool life when machining higher‑strength materials. The combination of a robust substrate and a hard coating reduces tool changes, improving uptime and workflow efficiency on the shop floor.

Secure clamping and stable cutting geometry

A Weldon shank with a dedicated drive flat ensures firm, repeatable clamping in standard toolholders and collets, minimising slippage under higher torque. The centre‑cutting, multi‑flute geometry and relief‑ground core profile provide a balanced cutting action and reliable chip evacuation in shorter shoulder milling operations. The compact design reduces overhang and vibration, which supports stable dimensional accuracy in component production.

Application range and material suitability explained

The geometry is optimised for a range of engineering materials: very good suitability for steels and cast iron, and conditional suitability for non‑ferrous metals and special alloys. With an uncoated tool the cutter can handle materials up to 800 N/mm², while the TiCN coating increases capacity to approximately 1000 N/mm². These figures provide a clear basis for selecting cutting parameters and help align tool choice with material hardness in manufacturing processes.

Practical advantages for the workshop

Short design and multi‑flute cutting mean faster cycle times on interrupted cuts and when working close to shoulders. The 45° protective chamfer and relief‑ground core reduce chipping at the margins, while the right‑hand cutting direction matches standard machine tool setups. For production planners and machinists, the net effect is fewer regrinds and a steadier process window, which supports predictable output and quality control.

For reliable high‑performance milling choose the TECWERK DIN 844 end mill via Metav Werkzeuge — contact our consultants at info@metav-werkzeuge.com or call +49 2822 7131930 for tailored advice and delivery from our Emmerich hub.

Technical data

• Article number: 2000866450NW
• Name: End mill DIN 844 Type NR, 20 mm, cutting length 52 mm, HSS‑Co5, TiCN, Weldon shank
• Manufacturer: TECWERK
• Packaging unit: 1

Core specifications

• Diameter: 20 mm
• Cutting length: 52 mm
• Material: HSS‑Co5
• Coating: TiCN (titanium carbonitride)
• Standard: DIN 844
• Cutting direction: right‑hand
• Centre‑cutting: yes
• Hardness capacity: up to 800 N/mm² (uncoated), up to 1000 N/mm² (coated)

Design & features

• Multi‑flute design (Mehrschneider)
• Short design with 45° protective chamfer
• Relief‑ground core profile (hinterschliffenes Kordelprofil)
• Cylindrical shank with drive flat
• Weldon shank (TW)
• Suitable for steel: very good
• Suitable for cast iron: very good
• Suitable for non‑ferrous metals, special alloys, stainless steel: conditionally suitable

FAQ

Is this cutter suitable for stainless steel applications?
The TECWERK DIN 844 end mill is conditionally suitable for stainless steel; performance depends on alloy and cutting parameters, and the TiCN coating improves capability for tougher grades.

What clamping system is recommended for secure use?
A rigid holder or collet that supports the Weldon shank with its drive flat is recommended to ensure secure clamping and minimise run‑out during milling.

How does the TiCN coating change performance?
TiCN increases surface hardness and heat resistance, allowing higher cutting speeds and extending tool life compared with the uncoated HSS‑Co5 substrate.

Can this tool be used for cast iron production runs?
Yes; the geometry and material suitability rate this cutter as very good for cast iron, offering reliable chip formation and wear behaviour in recurring operations.

What are the key dimensions to order the correct size?
Refer to the core specifications: 20 mm diameter and 52 mm cutting length as specified for the DIN 844 Type NR cutter (SKU 2000866450NW).

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