680-312 || 5/8 Diameter, Uncoated Countersinks – 3 Flute – 60 Degree
- Countersinks designed for clean, accurate chamfering and countersinking of holes
- Ideal for fastener seating, deburring, and improving hole finish and fit
- Provides smooth, consistent chamfers with precise control and surface quality
- Manufactured from A-Gr-SiV Premium Carbide Blend (Active Grain Sized Volume) for excellent wear resistance and long tool life
- Proudly made in the USA from solid carbide for consistent, high-performance results
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