8.3mm Countersink DIN 335C 90° HSS Nano Coated 3-Flute Shank Three-Point, For Steel Aluminium Brass Plastics - TECWERK

Take advantage of the combination of long tool life, reduced feed force and precise 90° chamfering for reliable production. Order the countersink directly via Metav Werkzeuge or consult our specialists for application-specific guidance.

TECWERK 90° Countersink DIN 335 C – Ø8.3 mm, HSS, Nano-coated, 3-flute

TECWERK 90° countersink DIN 335 C Ø8.3 mm for fast, low-force chamfering in steel, stainless and non-ferrous materials

• HSS nano-coated for high wear resistance
• 90° DIN 335 C countersink geometry
• Three-cutting-edge design for smooth run
• Shank with three flats for secure clamping

Precision performance for mixed-material production

The TECWERK 90° countersink (DIN 335 C) combines a HSS substrate with a specialised nano coating to deliver stable cutting performance across a wide range of materials. The three-flute geometry reduces radial vibration and ensures an extremely smooth run, which results in cleaner countersinks and less rework. Designed to cope with steel, stainless and heat-resistant steels, aluminium, brass and plastics, the tool balances cutting strength and thermal resistance for repeatable accuracy in batch and single-part production.

Lower effort and faster machining cycles

Thanks to an optimised flute geometry and variable relief, this countersink requires significantly less feed force, helping to reduce operator effort and machine load. The geometry also supports up to 30% faster countersinking and offers up to 60% longer tool life under comparable conditions, which directly lowers tooling costs per part and shortens cycle times. These advantages are particularly relevant in high-mix, small-batch environments where setup and cycle efficiency matter.

Secure clamping and machine compatibility

A shank with three flats from nominal Ø8.3 mm provides reliable clamping in standard chucks and collets, minimising slippage and runout. The right-hand cutting design and DIN-compliant 90° tip angle ensure compatibility with common countersink fixtures and machining programmes. The balanced design supports a calm cutting action that benefits surface finish and dimensional control on finished chamfers.

Practical operating data and wear behaviour

Recommended cutting data is indicated for reliable results: feeds in steel up to 800 N at approximately 0.15 mm/rev produce a consistent chip formation and long life. The combination of specially developed flute parameters, a variable relief profile and the nano coating increases wear resistance and maintains hot hardness at elevated operating temperatures. This means fewer tool changes and improved uptime in continuous production.

Contact Metav Werkzeuge for availability, technical consultation and quick supply from Emmerich—expert advice on application data and compatibility for TECWERK countersinks is available by email or phone.

Technical data

• Article number: 2000865176NW
• Description: 90° countersink DIN 335 C, Ø8.3 mm, HSS, nano-coated, 3-flute
• Manufacturer: TECWERK
• Packaging unit: 1

Facts

• Tip angle: 90°
• Nominal diameter: Ø8.3 mm
• Number of cutting edges: 3
• Feed in steel (up to 800 N): 0.15 mm/rev
• Shank: three flats from nominal Ø8.3 mm

Special features

• Right-hand cutting
• Variable relief for optimised chip control
• Suitable for: steel, stainless and heat-resistant steels, aluminium, brass, plastics
• Advantages: lower feed force; up to 60% longer tool life; up to 30% faster countersinking
• High wear resistance and thermal stability due to flute geometry and nano coating

FAQ

What materials can this countersink process reliably?
The TECWERK 90° countersink (DIN 335 C, SKU 2000865176NW) is suitable for steel, stainless and heat-resistant steels, aluminium, brass and various plastics, as described in the product specification.

Is the shank compatible with standard chucks and collets?
Yes. The shank features three flats from nominal Ø8.3 mm to ensure secure clamping in common chucks and collets and to reduce slippage and runout during machining.

How does the nano coating improve tool life?
The nano coating enhances wear resistance and hot hardness, so the countersink maintains cutting performance at elevated temperatures and extends service life under normal production loads.

What cutting data should be used as a starting point?
A practical reference is a feed in steel up to 800 N with approximately 0.15 mm/rev, which balances chip formation and longevity. Adjustments may be required depending on machine rigidity and material grade.

Can this countersink reduce machining time compared with conventional tools?
Yes. The optimised flute geometry and variable relief can enable up to 30% faster countersinking and reduce overall cycle times while maintaining surface quality.

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