WIDIA Circle Shank Boring Bars offer perfect balance between rigidity and flexibility with their round shank design. Suitable for deep internal machining, these bars support a variety of carbide inserts, provide consistent material removal, and resist vibration at high cutting speeds for reliable performance.

WIDIA Circle Shank-Type Boring Bars

Designed for precision hole machining, WIDIA Circle Shank-Type Boring Bars ensure maximum performance. Equipped with screw clamp inserts and high-quality construction, these tools deliver stability, efficient cutting, and superior surface finishes, making them a top choice for demanding manufacturing environments.

Features

Circle Shank Design

Provides high stability and easy mounting on various lathes.

Screw Clamp Insert System

Ensures fast insert changes and precise cutting positioning.

Compatible with WIDIA Carbide Inserts

Supports multiple insert types for versatile applications.

Steel or Solid Carbide Construction

Offers high resistance to vibration and heat.

Coolant-Through Capability

Extends tool life and improves surface finish.

Overview

Parameter	Typical Specification
Product Type	Circle Shank-Type Boring Bar
Shank Material	Carbide / Steel
Shank Diameter	6 mm – 25 mm
Minimum Bore Diameter	7 mm – 30 mm (depending on model)
Overall Length	100 mm – 200 mm
Clamp System	Screw Clamp
Lead Angle	95°
Insert Type	WIDIA CIRCLE Indexable Inserts
Application	Internal boring, finishing, semi-finishing
Coolant-Through	Available on select models