4mm NC Spotting Drill Solid Carbide 90° Tip Right-Hand Cylindrical Shank h6, DIN 6535-HA - TECWERK

Take advantage of a compact combination of solid carbide construction and a 90° point for reliable, repeatable spot drilling and chamfering in one pass; order directly via Metav Werkzeuge or consult our advisors for application-specific guidance.

NC spot drill 4 mm – Solid carbide, 90° point (TECWERK)

The NC spot drill 4 mm is designed for accurate pilot drilling and simultaneous centring and chamfering on NC machines and boring mills, making it suitable for demanding workshop and production environments

• Solid carbide for high rigidity and durability
• Cylindrical shank to DIN 6535-HA
• 90° point for precise centring and chamfering
• Right-hand cutting for standard machining directions

Precision starts at the first contact

A small-diameter spot drill must deliver reliable positioning from the first cut; this solid carbide tool provides exactly that. The combination of a 90° point and a 4 mm diameter ensures minimal wandering when initiating a hole, so the pilot operation is accurate and repeatable. With a h6 tolerance on the diameter, mating fits and fixture alignment remain consistent, improving process stability and reducing scrap. The compact overall length and defined flute geometry also support clean chip evacuation during the initial engagement.

Built for NC machining and reduced cycle time

Engineered for use on NC machines and boring mills, the tool features a cylindrical shank to DIN 6535-HA that fits standard holders without special adapters. The right-hand cutting geometry is optimised for conventional spindle rotation and predictable chip formation. By combining centring and chamfering in a single operation the tool cuts down cycle time and reduces handling between operations, enabling faster throughput on repetitive programmes and improving shop-floor efficiency.

Versatile material capability with clear cutting data

Manufactured from solid carbide, the drill is particularly suitable for high-strength steels, steel castings, grey cast iron, stainless steels and non‑ferrous metals. The material choice gives stiffness and wear resistance for demanding substrates and higher cutting temperatures. For a typical application in steel with cutting forces up to 800 N, a starting feed recommendation is 0.06 mm/rev; from here, feed and spindle speed can be adapted to machine rigidity and part setup. This clear guidance supports reliable cycle planning and predictable tool life.

Seamless integration and reliable repeatability

Tolerance control and a standard shank mean immediate compatibility with existing toolholders and automatic tool changers, reducing setup time and enabling automated production routines. The tool’s geometry supports clean entry and chamfer formation, which helps subsequent tapping operations by improving thread start quality. If process validation or specific machining parameters are required for a particular alloy or setup, Metav’s technical team can advise on optimised feeds, speeds and fixture arrangements to ensure consistent results.

Contact Metav Werkzeuge for delivery options and tailored machining advice on TECWERK solid carbide NC spot drills; our specialists at Metav Werkzeuge will support specification checks and sample testing where required

Technical data

• Article number: 2000865802NW
• Manufacturer: TECWERK
• Product type: NC spot drill

Data

• Diameter: 4 mm
• Overall length: 50 mm
• Spiral (flute) length: 12 mm
• Point angle: 90°
• Diameter tolerance: h6

Special features

• Solid carbide (VHM)
• Cylindrical shank to DIN 6535-HA
• Right-hand cutting geometry
• For positioning and quick spot drilling on NC machines and boring mills
• Centres and chamfers tapped holes in one pass
• Particularly suitable for high-strength steels, steel castings, grey cast iron, stainless steels and non‑ferrous metals
• Recommended feed in steel up to 800 N: 0.06 mm/rev

FAQ

What materials can this NC spot drill handle?
The TECWERK NC spot drill 4 mm is suitable for high-strength steels, steel castings, grey cast iron, stainless steels and non‑ferrous metals, thanks to its solid carbide construction.

What is the recommended feed for initial operations in steel?
For the TECWERK NC spot drill (SKU 2000865802NW) a starting feed recommendation in steel with forces up to 800 N is approximately 0.06 mm/rev; adjustments depend on machine rigidity and fixture.

Does the shank fit standard toolholders?
Yes, the cylindrical shank is to DIN 6535-HA, ensuring compatibility with standard holders and automatic tool changers used in CNC machines and boring mills.

How does the 90° point benefit holemaking?
A 90° point provides secure centring and produces a chamfer in the same operation, improving thread start quality and reducing the need for secondary chamfering operations.

What does the h6 tolerance mean for repeatability?
The h6 diameter tolerance indicates precise diameter control, supporting consistent clamping, repeatable positioning and predictable fitment in assembly or subsequent machining operations.

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