6.3-25mm Countersink Set DIN 335C 90° 3-Flute HSS-Co 5-Piece, Plastic Case - TECWERK

Take advantage of precise, standardised performance and durable HSS‑Co construction for consistent countersinking and fast setup; order the TECWERK set directly via Metav Werkzeuge or consult our specialists for delivery from Emmerich.

TECWERK Countersink Set DIN 335 C, 90° — HSS‑Co, 6.3–25 mm

The TECWERK Countersink Set DIN 335 C 90° is a compact workshop solution for precision countersinking and deburring of drilled holes in routine and production environments

• DIN 335 C standardised design
• 90° countersink angle for universal use
• HSS‑Co construction for heat resistance
• Supplied in a protective plastic box

Faster, more consistent hole finishing with three‑edge geometry

The set is built to deliver uniform chamfers and clean edge breaks: the 3 cutting edges geometry reduces vibration and distributes cutting forces, which results in more even surfaces and fewer reworks. Made in HSS‑Co, the tools tolerate higher temperatures than standard high‑speed steels; this cobalt alloy composition increases wear resistance and extends tool life under intermittent heavy load. The combination of standardised geometry (DIN 335 C) and robust material enables predictable results when producing countersinks for assembly or seating of fasteners.

Minimise downtime with a complete size range and organised storage

Covering the diameter span 6.3–25 mm, the set reduces the need for multiple single tools and accelerates tool selection at the bench. Each tool is kept in a plastic box, which protects cutting edges and keeps sizes immediately identifiable for quick tool changes. This arrangement supports lean workshop routines and lowers throughput interruptions, making the set suitable for maintenance shops and small production lines where efficiency is valued.

Clear application scope: countersinking and deburring

Designed specifically for countersinking and deburring of drilled holes, the tools are suited to standard preparatory work prior to fastening or surface finishing. The 90° angle matches common fastener seatings and provides a reproducible chamfer profile for screws and rivets. While the geometry is optimised for general metalworking operations, the tools operate effectively wherever a clean, concentric chamfer is required after drilling.

Practical handling and maintenance for everyday use

The robust shank and ground cutting edges simplify clamping and reduce run‑out when used in conventional drill chucks or collet systems. When resharpening is necessary, the simple flute geometry allows controlled regrinding, preserving the original angle and cutting balance; regular inspection and light maintenance will sustain cutting performance. The set’s compact organisation and durable HSS‑Co composition contribute to a low total cost of ownership through extended service life and reliable repeatability in production tasks.

Contact Metav Werkzeuge for local stock details and to arrange direct delivery from Emmerich; expert advice is available if additional technical data is required

Technical Data

• Article number: 2000865218NW
• SKU: 2000865218NW
• Manufacturer: TECWERK
• Packaging unit: 1

Facts

• Diameter range: 6.3–25 mm
• Countersink angle: 90°
• Cutting edges: 3
• Pieces: 5
• Standard: DIN 335 C
• Material: HSS‑Co

Special features

• For countersinking and deburring of drilled holes
• Supplied in a plastic box
• Standardised geometry for repeatable results
• Reduced vibration thanks to three‑edge design

FAQ

What materials are suitable for these countersinks?
The TECWERK Countersink Set DIN 335 C 90° is intended for general countersinking and deburring of drilled holes; the HSS‑Co composition provides improved wear resistance for common workshop metals.

How many cutting edges do the countersinks have and why does it matter?
Each tool in the set features 3 cutting edges, which balance cutting forces and reduce chatter, producing a smoother chamfer than some two‑flute designs.

What sizes are included in the set?
The set covers a diameter range of 6.3–25 mm, providing a selection of commonly required countersink diameters in one compact kit (SKU 2000865218NW).

Is the geometry standardised for interchangeability?
Yes, the tools conform to DIN 335 C, which ensures predictable chamfer geometry and compatibility with standard fastener seat angles.

How are the tools supplied and stored?
The TECWERK set is supplied in a plastic box to protect cutting edges and to keep sizes organised for quick access.

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