48mm SIR S40T Boring Bar For 27 IR Indexable Inserts, 60mm Cutting Height, Right-Hand - Teknik Makina

Take advantage of the combination of stable cutting performance, broad IR27 insert compatibility and an extended reach for consistent turning results; order the K347-1TM directly via Metav Werkzeuge or consult the specialists for application advice.

K347-1TM boring bar (SIR S40T) — 48 mm Ø, 300 mm overall length by Teknik Makina

A K347-1TM boring bar engineered for right-hand turning with SIR clamping for IR indexable inserts, ideal for medium-duty lathe and turning-centre applications.

• SIR clamping for IR27 indexable inserts
• 48 mm outer diameter for stable cutting
• 300 mm overall length for extended reach
• Right-hand cutting orientation for standard lathes

Engineered stability for consistent material removal

The bar delivers stable performance by combining a substantial 48 mm outer diameter with a robust shank, reducing vibration during cutting. This geometry is particularly effective when machining interrupted cuts or harder materials where chatter compromises surface finish. The resulting process reliability helps to maintain dimensional tolerances over longer runs, supporting predictable cycle times and reduced scrap rates.

Secure clamping and wide insert compatibility

A SIR clamping system provides straightforward insert retention and repeatable seat location, optimised for IR27 inserts to ensure secure engagement and predictable cutting geometry. The clamping arrangement, combined with the specified Torx T20 drive and M5x18 fastening, allows efficient insert changes and reliable torque transmission, which benefits both tool life and operator safety in repetitive tool swaps.

Practical design for workshop productivity and serviceability

With a 300 mm overall length and a 40 mm shank diameter, the bar balances reach and rigidity for access into deeper workpieces without sacrificing stability. The modular nature of the clamping plate (U‑plate TA065) simplifies maintenance and reduces downtime; spare parts such as the clamping screw and plate are standardised, enabling fast replacement. The compact, service-friendly layout supports fleet standardisation on turning centres and manual lathes alike.

Contact Metav Werkzeuge for availability, technical matching and local delivery of the K347-1TM boring bar; phone +49 2822 7131930 or email info@metav-werkzeuge.com

Technical Data

• SKU: K347-1TM
• Name: Boring bar (SIR for IR indexable inserts)
• Manufacturer: Teknik Makina

Dimensions & weight

• Outer diameter: 48 mm
• Shank diameter: 40 mm
• Overall length: 300 mm
• Cutting height: 60 mm
• Weight: 2.89 kg

Features & compatibility

• SIR clamping for IR indexable inserts
• Compatible with 27 IR inserts
• Clamping holder designation: IR27
• ISO designation: SIR S40T
• Cutting direction: right
• Torx key: T20
• Torx screw: M5x18
• U‑plate: TA065

FAQ

Which inserts are compatible with this boring bar?
The K347-1TM boring bar is designed for IR27 indexable inserts and uses a SIR clamping system to secure the insert reliably.

Is the cutting direction right-hand or left-hand?
This tool is specified for right-hand cutting, suitable for standard lathe and turning-centre orientations.

What are the key dimensions for machine setup?
Key setup data: 48 mm outer diameter, 40 mm shank diameter and 300 mm overall length for the K347-1TM boring bar.

How is the insert secured to the bar?
Insert retention is achieved via the SIR clamping mechanism with a Torx T20 fastener and M5x18 screw paired with the TA065 clamping plate.

Can this bar be used for extended-reach turning tasks?
Yes, the 300 mm overall length provides extended reach while the robust diameter maintains cutting stability for deeper turning operations.

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