25mm S20Q ST-CR Drilling Bar For TC-- 16T3 Indexable Inserts 60° Cutting Angle, 180mm Length - Teknik Makina

Take advantage of the combination of stable geometry, precise compatibility with TC-- 16T3 indexable inserts and a compact 180 mm overall length for reliable internal turning operations; order the tool directly via Metav Werkzeuge or consult the specialists for application support.

S20Q ST-CR Boring Bar – 25 mm diameter, for TC-- 16T3 inserts (Teknik Makina)

The S20Q ST-CR boring bar is a right-hand, indexable-insert holder engineered for precision internal turning and finishing in standard workshop and industrial lathe setups

• S20Q ST-CR design for stable cutting
• 25 mm cutting diameter for internal bores
• Right-hand configuration for standard turning
• 180 mm overall length, 20 mm shank diameter

Precision where it matters for internal turning

The S20Q ST-CR boring bar offers a compact solution for precise internal machining. Its 25 mm cutting diameter and 20 mm shank ensure a rigid connection to the tool holder, which reduces vibration and improves surface finish. This rigidity translates into predictable dimensional results and fewer rejects in serial production, making the tool particularly suitable for components where concentricity and bore accuracy are critical. The short overall length assists in minimising overhang, thereby maintaining cutting stability on small to medium batch runs.

Plug-and-produce compatibility with indexable inserts

Designed specifically for TC-- 16T3 indexable inserts, the bar simplifies tooling logistics and setup time. Using standard indexable inserts means insert changes are fast and repeatable, reducing machine downtime and keeping cycle times consistent. The right-hand cutting configuration and a defined 60° cutting angle provide controlled chip formation and a reliable cutting edge engagement, which helps maintain insert life and reduces the need for frequent regrinding or replacement.

Robust geometry for reliable workshop performance

The tool’s geometry and cutting height 40 mm are chosen to ensure secure insert clamping and consistent chip evacuation. The controlled interface between insert and bar reduces the risk of chatter and increases tool life, supporting continuous production. With a 180 mm overall length and modest weight of 0.432 kg, the bar balances accessibility into bores with the structural stiffness required for finishing passes, delivering repeatable, high-quality results across a range of internal turning tasks.

Practical integration into industrial workflows

As a modular indexable-insert solution, this boring bar integrates smoothly into existing tooling systems, allowing maintenance teams to keep spares of TC-- 16T3 inserts and reduce procurement complexity. The combination of standard shank dimensions and ISO designation supports fast tool changes and consistent setup procedures on CNC lathes and turning centres. Where process reliability is a priority, the compact dimensions and proven design reduce setup variations and support predictable output for assembly or inspection stages.

For technical consultation or purchasing of the S20Q ST-CR boring bar contact Metav Werkzeuge in Emmerich via info@metav-werkzeuge.com or call +49 2822 7131930 for prompt expert assistance

Technical data

• Article number: K182TM
• Manufacturer: Teknik Makina
• ISO designation: S20Q ST-CR
• For indexable inserts: TC-- 16T3
• Cutting direction: right

Facts

• Shank diameter: 20 mm
• Cutting diameter: 25 mm
• Overall length: 180 mm
• Cutting height: 40 mm
• Weight: 0.432 kg
• Cutting angle: 60°

Special features

• Indexable-insert holder
• Right-hand configuration
• Compact design for reduced overhang
• Suitable for internal turning tasks

FAQ

Which inserts fit this boring bar?
The S20Q ST-CR boring bar is designed for TC-- 16T3 indexable inserts; Teknik Makina specifies this insert form for correct seating and clamping.

Is the bar suitable for small bores and finishing operations?
Yes, the 25 mm cutting diameter and compact 180 mm overall length make the tool suitable for internal finishing and operations where reduced overhang is required.

What shank size is required for mounting?
A 20 mm shank diameter is specified for the bar; ensure the tool holder or adapter accepts a 20 mm shank for secure mounting.

Does this tool cut left-handed operations?
The bar is supplied in a right-hand cutting configuration; for left-hand requirements a different orientation must be selected.

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