40mm A32T PDUNL Boring Bar for DNMG 1506 Indexable Inserts, Internal Coolant, 300mm Overall Length - Teknik Makina

Take advantage of a robust combination of a 32 mm shank, internal coolant and compatibility with DNMG 1506 indexable inserts for stable, repeatable left-hand cutting operations; order the AP312TM directly via Metav Werkzeuge or consult our technical advisors for application support.

AP312TM — Left-hand boring bar for DNMG indexable inserts, internal coolant (Teknik Makina)

The AP312TM is a left-hand boring bar engineered for precision turning with DNMG 1506 indexable inserts, featuring internal coolant and a solid 32 mm shank for consistent chip control in demanding CNC machining.

• Left-hand cutting orientation
• Internal coolant for improved chip control
• Compatible with DNMG 1506 inserts
• Robust 32 mm shank, 300 mm overall length

Reliable stability for precise internal bore finishing

The AP312TM delivers a combination of stability and accessibility that benefits demanding turning applications. With a shank diameter of 32 mm and a total length of 300 mm, the toolholder is dimensioned to reduce deflection during overhang, which results in more consistent bore diameters and extended tool life. The slightly increased cutting height of 55 mm stabilises the insert seat and is advantageous when machining interrupted cuts or harder materials, enabling predictable performance even under varied cutting forces.

Integrated coolant for improved chip evacuation and surface quality

Equipped with internal coolant, the bar channels cutting fluid directly to the cutting zone; this measure enhances chip control and cooling, reducing edge wear and thermal distortion. For operations where surface finish and tool longevity matter, the internal coolant feature supports higher sustained cutting parameters by maintaining lower insert temperatures and aiding chip breakage. The result is fewer rework cycles and higher first-pass quality in serial production.

Compatibility and cutting geometry that support predictable results

Designed for DNMG 1506 indexable inserts and identified by the ISO designation A32T PDUNL, the bar features a cutting angle of 93°, optimised for left-hand turning strategies. This geometry balances shear and thrust forces to produce stable cut formation and reliable chip flow when paired with appropriate DNMG grades. The PDUN configuration facilitates quick insert changes and retains repeatability across tool swaps, which is essential for efficient workshop workflows and reduced set-up times.

Practical benefits for workshop efficiency and process control

Beyond the mechanical specifications, the AP312TM is intended to support efficient production processes: the left-hand orientation suits machines and set-ups that require opposite spindle directions, the 1.77 kg mass contributes to damping vibration without excessive load, and the compatibility with widely available DNMG inserts simplifies stocking. Where process reliability is a priority, this boring bar reduces variability and supports higher machine utilisation through straightforward insert maintenance and predictable performance.

For machining tasks that demand dependable left-hand performance and effective coolant delivery, contact Metav Werkzeuge for tailored application advice and prompt supply from Emmerich.

Technical data

• Article number: AP312TM
• ISO designation: A32T PDUNL
• Product name: PDUN for DNMG Indexable Inserts

Facts

• Cutting direction: left
• Shank diameter: 32 mm
• Cutting height: 55 mm
• Overall length: 300 mm
• Weight: 1.77 kg
• Cutting angle: 93°
• Diameter: 40 mm
• ECLASS: 21180806

Special features

• Internal coolant: yes
• Compatible inserts: DNMG 1506
• Manufacturer: Teknik Makina

FAQ

What insert type is recommended for this boring bar? The AP312TM is specified for DNMG 1506 indexable inserts, which are widely used for finishing and semi-finishing in turning operations.

Is the coolant supplied through the bar? Yes, the bar features internal coolant, which delivers cutting fluid directly to the insert seat to aid chip control and cooling.

What is the shank diameter and overall length? The tool has a 32 mm shank diameter and an overall length of 300 mm, designed to balance reach and rigidity.

Can the AP312TM be used for heavy interrupted cuts? With a cutting height of 55 mm and the bar's robust construction, it is suitable for applications where interrupted cuts occur, provided inserts and cutting parameters are chosen accordingly.

Which cutting direction does the bar support? This tool is manufactured for left-hand cutting orientation.

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