50mm Fine Boring Tool For Precision Finishing 0.01mm Resolution, 32mm Shank - Teknik Makina

Take advantage of a combination of precise fine finishing, robust clamping and indexable-insert economy for consistent internal bore quality; order the Teknnik Makina THKB138TM via Metav Werkzeuge or consult our specialists for application-specific guidance.

Fine Finishing Boring Tool THKB138TM — Teknik Makina | CCMT 09T3 compatible, 65 mm max cutting diameter

The Fine Finishing Boring Tool THKB138TM is designed for precision internal machining, delivering controlled material removal during fine finishing operations in turning and boring applications

• Compatible with CCMT 09T3 indexable inserts
• Fine finishing down to 0.01 mm tolerance
• 65 mm max cutting diameter for deep bores
• 32 mm shank for rigid clamping

Precision that secures finished bore quality

The THKB138TM is engineered for fine finishing with a documented process capability down to 0.01 mm, which translates to consistently tight surface form and size control on internal diameters. This level of fineness reduces downstream rework and simplifies quality assurance routines by narrowing dimensional scatter. For shops transitioning from solid tooling to insert solutions, the controlled cutting action of a dedicated boring bar reduces vibration and improves surface integrity for subsequent assembly or coating processes.

Rigidity and reach for reliable machining cycles

A 32 mm shank and 125 mm overall length combine to provide a balance between reach and stiffness. The 65 mm cutting length allows access to deeper bores while maintaining the clamping stability needed for repeatable passes. This geometry minimises deflection during the cut, so finishing passes remain predictable even when working across a series of similar components. The tool's mass of 1.231 kg contributes to damping, supporting smoother surface generation on the workpiece.

Economical operation with indexable inserts

Compatibility with CCMT 09T3 indexable inserts offers clear economic and process benefits: carbide inserts can be rotated to present a fresh edge, reducing downtime compared with regrinding solid tools. The insert system also simplifies inventory — standard CCMT grades cover a wide range of materials and coating options — while allowing quick optimisation of cutting data for different alloys. Using replaceable inserts reduces total cost of ownership and keeps machine utilisation high in production settings.

Integrating the tool into workshop workflows

This boring bar suits precision turning and CNC boring operations where fine internal finishing is required. Its specification supports a pragmatic approach to fixture design and toolholder selection: the 50 mm nominal diameter and the 65 mm maximum cutting diameter together define the envelope of parts that can be addressed without extensive retooling. For engineers seeking to refine internal surface quality or shorten finishing cycles, the holder simplifies changeover and aligns with common tooling systems in light- to medium-duty production environments.

Contact Metav Werkzeuge today to discuss application-specific recommendations and secure the Teknik Makina Fine Finishing Boring Tool THKB138TM tailored to the required bore tolerances

Technical data

• Article number: THKB138TM
• Manufacturer: Teknik Makina

Numeric data

• Nominal diameter: 50 mm
• Max cutting diameter: 65 mm
• Shank diameter: 32 mm
• Cutting length: 65 mm
• Overall length: 125 mm
• Fine finishing capability: 0.01 mm
• Weight: 1.231 kg

Designs and special features

• Compatible inserts: CCMT 09T3
• Indexable-insert boring bar design
• Intended for fine finishing internal machining

FAQ

What insert type fits this boring bar?
The THKB138TM accepts CCMT 09T3 indexable inserts, providing flexible grade and geometry choices for finishing operations.

Which nominal and maximum diameters are covered?
The tool is specified with a 50 mm nominal diameter and a 65 mm maximum cutting diameter for internal machining.

How does the tool support fine finishing requirements?
Fine finishing is enabled by the tool geometry and insert system, delivering 0.01 mm level control for reduced rework and consistent surface quality.

Is the shank size suitable for rigid clamping?
Yes; the 32 mm shank offers a rigid mounting interface that minimises deflection during finishing passes.

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