290-104 || .312 Diameter, Uncoated Helical BSPP Threadmills
- Helical BSPP threadmills designed for precision machining of British Standard Pipe Parallel threads
- Ideal for producing accurate internal threads with excellent surface finish and thread form control
- Helical threadmilling process reduces cutting forces and allows threading in blind or through holes
- Manufactured from A-Gr-SiV Premium Carbide Blend (Active Grain Sized Volume) for strength and extended tool life
- Proudly made in the USA from solid carbide for consistent, high-performance threading results
Mastercut Tool Corp. (c) 2026