20mm Cylindrical Shank End Mill HSS-Co8 4 Flute Short Cutting Length 4mm DIN 844 - TECWERK

Take advantage of the combination of HSS‑Co8 wear resistance, a secure Weldon shank and a compact short type design for reliable, high‑precision milling in steel and cast iron; order or request support via Metav Werkzeuge for specification advice.

TECWERK End Mill DIN 844 Type N, Ø20 mm, HSS‑Co8, 4‑flute, Weldon shank

The TECWERK End Mill DIN 844 Type N is a short, four‑flute HSS‑Co8 cutter designed for precision milling of steel and cast iron components in industrial and workshop environments.

• HSS‑Co8 for high wear resistance
• Weldon shank for secure clamping
• Four flutes for efficient chip control
• Short DIN 844 type for stub milling

Precision and performance for demanding steel work

The TECWERK End Mill brings a rational upgrade to machining tasks where repeatable accuracy matters. Manufactured to DIN 844 and produced in HSS‑Co8, the tool combines increased red‑hardness with toughness, which results in better tool life when cutting medium‑strength steels. The four‑flute geometry promotes a balanced cutting action and reduced vibration, while the Weldon shank ensures positive tool holding in standard holders. These characteristics make this cutter especially suitable for concise operations that require predictable tolerances and minimal set‑up time, thereby improving throughput and reducing rework in production runs.

Effective chip management and secure mounting

A central practical benefit of the design is consistent chip evacuation and secure clamping. The four‑flute configuration and the short overall length limit overhang, which lowers deflection and supports better surface finish on milled parts. The Weldon flat on the cylindrical shank provides a mechanical drive surface for slip‑free torque transfer under intermittent loads. As a result, the tool is well suited for operations that demand a reliable clamped connection and controlled chip flow, such as slotting and peripheral milling in steel and cast iron, delivering cleaner faces and fewer tool‑related interruptions.

Application range and material suitability explained

This cutter is dimensioned and profiled for materials up to around 800 N/mm² when used uncoated, with higher limits possible if a suitable coating is applied. Material compatibility is specified as very good for steel and cast iron, with conditional performance on non‑ferrous metals and stainless materials; these distinctions reflect the combination of substrate and cutting geometry rather than an outright limitation. For shops handling a mix of ferrous materials, the tool offers a pragmatic balance of economy and capability, enabling efficient removal rates while preserving tool life under standard cutting conditions.

Practical considerations for workshop integration

Integrating this short end mill into an existing tooling set is straightforward: the Ø20 mm shank and standard Weldon profile make the cutter compatible with common holders and shrink or collet systems that accept Weldon flats. The compact cutting length supports operations with limited axial engagement, reducing the need for complex fixturing. Maintenance is simplified by the uncoated HSS‑Co8 construction, which can be reground when wear dictates, extending the life cycle and lowering per‑part tooling costs. For production lines where predictable, short‑run milling tasks dominate, this tool offers a durable and serviceable option.

Contact Metav Werkzeuge for tailored machining recommendations and to confirm suitability for specific parts—Metav Werkzeuge in Emmerich provides practical support via info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: 2000866342NW
• Standard: DIN 844
• Type designation: Type N
• Brand: TECWERK

Data

• Diameter: 20 mm
• Shank diameter: 20 mm
• Total length: 104 mm
• Effective length: 52 mm
• Cutting length: 4 mm
• Flutes: 4
• Cutting direction: right‑hand

Special features

• Material: HSS‑Co8
• Shank style: cylindrical shank with Weldon flat
• Geometry: short type, centre‑cut, four‑cutting edges
• Typical suitability: steel (very good), cast iron (very good), NE‑metals (limited), stainless (limited)
• Application: general milling for materials up to approx. 800 N/mm² uncoated

FAQ

What materials is this end mill best suited for?
The TECWERK end mill is very well suited for steel and cast iron; performance on non‑ferrous metals and stainless steel is conditional due to the HSS‑Co8 substrate and cutter geometry.

Can the cutter be reclamped or reground?
The HSS‑Co8 construction allows regrinding and reclamping; the Weldon shank ensures repeatable mounting but reground geometry should be checked against original dimensions.

Is the tool suitable for deep slotting or heavy roughing?
Designed as a short type with a cutting length of 4 mm and an overall effective length of 52 mm, this cutter is optimised for shorter engagements rather than deep heavy roughing.

Which holder types are compatible with the Weldon shank?
Standard collet chucks and Weldon‑compatible end mill holders accept the Ø20 mm shank with flat, providing secure torque transfer for typical milling operations.

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