- Secure Clamping, Durable Build: Made from 45# alloy steel with heat treatment and precision grinding, this R8 boring head delivers strong clamping force, excellent wear resistance and impact resistance for stable machining performance
- Precise Bore Diameter Adjustment: Featuring a 2″ boring head with a clear graduated scale, this R8 boring bar set allows accurate bore diameter adjustments during machining for improved accuracy
- Wide Boring Range Capability: With a 7/16″ to 4-1/2″ boring diameter range, this R8 boring head set supports various workpiece sizes and machining requirements, providing great flexibility for different applications
- Easy Storage and Portability: This indexable boring head set includes a durable storage case that keeps all components neatly organized, making tool management easy and allowing convenient transport
- Complete Accessory Kit: This R8 boring tool set includes an R8 shank, precision boring head, 6 boring bars in different lengths, wrenches, and hex keys, providing all essential tools for versatile machining tasks
- Item Model Number
- R8S8
- Boring Diameter
- 7/16″ to 4-1/2″
- Main Material
- 45# Steel








































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