The MB4 is a 1/2" shank miniature boring bar with a solid carbide stem. It is an individual-size tool in the U.S.A. miniature boring bars range.
This miniature boring bar is typically used for internal boring and other small-scale machining operations requiring a compact boring tool.
- Model: MB4
- Shank size: 1/2"
- Tool type: Miniature boring bar
- Stem material: Solid carbide
- Category: Solid carbide stem, individual size