SK-42MMDEFM || 3mm Diameter, Alumacut SK – 90 Degree Included Cone Burs
- SK-style inverted cone carbide bur designed for undercutting and precision edge work
- Ideal for deburring, back chamfering, and finishing hard-to-reach internal features
- Inverted cone geometry allows controlled cutting beneath edges and inside recesses
- Manufactured from A-Gr-SiV Premium Carbide Blend (Active Grain Sized Volume) for exceptional strength and tool life
- Proudly made in the USA from solid carbide for dependable, high-performance results
Mastercut Tool Corp. (c) 2026





