4mm NC Spot Drill Solid Carbide TiAlN Coated 142° Tip, Cylindrical Shank DIN 6535-HA - TECWERK

High-precision positioning and single-pass chamfering are combined to reduce cycle times and increase process reliability; the solid carbide construction with TiAlN coating and a 142° point angle ensures durable accuracy in demanding machining operations. Order the tool directly via Metav Werkzeuge or consult our technical team for application-specific advice.

TECWERK NC centre drill D 4 mm — solid carbide, TiAlN-coated, 142°

TECWERK NC centre drill D 4 mm for position-accurate spot drilling, centring and chamfering of tapped holes on NC machines and boring mills.

*Solid carbide (VHM) with TiAlN coating
*142° point angle for precise centring
*Cylindrical shank to DIN 6535-HA
*Suitable for high-strength steels and stainless

Centre and chamfer in a single operation to save cycle time

The NC centre drill combines a short, stiff geometry with a 142° point to create an accurate pilot and chamfer in one pass, reducing setup and tool-change time. Used for position-accurate plunging on CNC machines and boring mills, the tool enables consistent hole starts even in interrupted surfaces. The combination of solid carbide and a TiAlN finish maintains edge stability, so centring quality is preserved over extended runs — a true advantage for batch production and repeatable assemblies.

Engineered coatings and geometry for long tool life and performance

The TiAlN coating raises surface hardness and thermal resistance, which extends tool life under the high contact temperatures encountered in hard and stainless steels. With a recommended feed in steel at up to 800 N of 0.06 mm per revolution, the cutter balances material removal and surface integrity. The tool is right-hand cutting and especially suitable for high-strength steels, cast steel, grey cast iron, stainless steels and non-ferrous metals, enabling reliable processing across common shop materials while limiting rework.

Ready integration for production environments

A cylindrical shank to DIN 6535-HA ensures secure clamping and compatibility with standard toolholders, supporting fast changeovers and stable machining. The design also permits accurate centring of solid carbide drills with a point angle of 120–140°, simplifying drill alignment and reducing setup steps. As a result, this centre drill helps to lower overall machining time and supports predictable production output — an efficient choice for workshops seeking repeatable precision.

Choose the TECWERK NC centre drill for consistent, single-pass centring and chamfering — contact Metav Werkzeuge for tailored application advice and availability at info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• SKU: 2000865838NW
• Article: NC centre drill D 4 mm, solid carbide, TiAlN, 142°
• Manufacturer: TECWERK
• Packing unit: 1

Core specifications

• Diameter: 4 mm
• Point angle: 142°
• Recommended feed in steel (up to 800 N): 0.06 mm/rev
• Shank: cylindrical to DIN 6535-HA
• Cutting direction: right-hand

Special features

• Solid carbide (VHM) material
• TiAlN coating
• Position-accurate plunging on NC machines and boring mills
• Centring and chamfering of tapped holes in one operation
• Suitable for high-strength steels, cast steel, grey cast iron, stainless steels and non-ferrous metals
• Compatible for centring of carbide drills with 120–140° point angles

FAQ

What materials can be processed with this centre drill?
The TECWERK NC centre drill is suitable for high-strength steels, cast steel, grey cast iron, stainless steels and non-ferrous metals, as stated in the product specification.

What is the recommended feed for use in steel?
A feed of 0.06 mm per revolution is recommended in steel at up to 800 N, which balances cutting stability and tool life for the TECWERK centre drill.

Is the shank compatible with standard holders?
Yes — the tool features a cylindrical shank to DIN 6535-HA, ensuring compatibility with common clamping systems in production environments.

Can this centre drill be used to align solid carbide drills?
The cutter is designed for centring drills with point angles between 120° and 140°, supporting accurate alignment of follow-up solid carbide drills.

What advantages does the TiAlN coating provide?
The TiAlN coating enhances surface hardness and heat resistance, improving wear resistance and extending service life under elevated temperatures and demanding materials.

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