63mm S50U DDUNL Boring Bar Left-Helix For DN-- 1506, 93° Cutting Angle - Teknik Makina

Take advantage of a rigid, left‑hand turning solution that combines precise shank stability and insert compatibility for efficient internal machining; order the bar directly via Metav Werkzeuge or consult our specialists for tailored application advice.

S50U DDUNL boring bar — 50 mm shank, left‑hand cutting (Teknik Makina)

The S50U DDUNL is a left‑hand boring bar designed for internal turning with DN-- 1506 indexable inserts, offering high rigidity for stable machining in workshop and production environments.

• Left‑hand cutting direction
• 50 mm shank diameter
• Compatible with DN-- 1506 inserts
• 350 mm overall length, 63 mm head diameter

Greater rigidity for consistent internal bores

The solid 50 mm shank and the bar’s overall design deliver enhanced rigidity, which reduces vibration during internal turning and improves bore accuracy. For components where dimensional repeatability is critical, the increased stiffness minimises deflection and enables more consistent finishes. The tool’s mass (approx. 5.153 kg) contributes to stable cutting dynamics without sacrificing handling during setup, supporting reliable cycle times in small-batch and serial production alike.

Predictable cutting geometry and chip control

Engineered for DN-- 1506 indexable inserts, the boring bar provides a defined cutting angle of 93° and a cutting height of 65 mm, ensuring a consistent engagement geometry. This predictable interface between insert and workpiece simplifies grade selection and process planning: the standard insert pocket and clamping arrangement speed up insert changes and support controlled chip flow, which helps maintain surface quality and extend insert life under steady cutting conditions.

Designed for efficient workshop integration

With an overall length of 350 mm and a head diameter of 63 mm, the bar fits common lathe set-ups while offering enough reach for deeper internal operations. The left‑hand orientation is specified for applications requiring reverse cutting direction; fitting the correct handedness reduces set-up errors and prevents unintentional tool overloading. The ISO designation and standardised interface make the component straightforward to document in tool lists and to integrate into existing machining cells for rapid changeovers.

Practical benefits for process reliability

Beyond geometry, the boring bar focuses on operational advantages: standardised insert compatibility reduces tooling variety, the robust shank improves tool life through lower chatter, and the well‑defined mounting form reduces rework from misalignment. These attributes translate into fewer stoppages, steadier surface finishes and predictable tool‑room inventory—factors that contribute to smoother production workflows and greater throughput in metalcutting operations.

Contact Metav Werkzeuge today to specify the Teknik Makina S50U DDUNL boring bar for rigid, left‑hand internal turning and benefit from expert advice and secure supply from Emmerich.

Technical data

• Article number: K496TM
• Manufacturer: Teknik Makina
• ISO designation: S50U DDUNL
• Article name: DDUN for DN-- insert

Facts

• Shank diameter: 50 mm
• Cutting height: 65 mm
• Cutting angle: 93°
• Head diameter: 63 mm
• Overall length: 350 mm
• Weight: 5.153 kg
• Cutting direction: left
• Insert type: DN-- 1506

Special features

• Compatible with DN-- 1506 indexable inserts
• Left‑hand cutting orientation
• ISO shank form S50U
• Suited for internal turning and boring operations

FAQ

What insert type fits this boring bar?
The bar accepts DN-- 1506 indexable inserts; the S50U DDUNL interface is sized for that insert family.

Is the cutting direction left‑hand or right‑hand?
This model is specified for left‑hand cutting; the S50U DDUNL boring bar is designed accordingly.

What are the key dimensions to check for machine compatibility?
Critical dimensions include the 50 mm shank, 350 mm overall length and the 63 mm head diameter; verify these against the machine turret and clearance.

How does the shank diameter affect performance?
A 50 mm shank increases rigidity and reduces deflection during internal turning, improving bore accuracy and surface finish.

Can the boring bar be used for heavy interrupted cuts?
The robust shank and mass enhance stability for demanding cuts, but final suitability depends on insert grade and machining parameters.

Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; +49 2822 7131930; eMail: info@metav-werkzeuge.com