Countersinks can be used on existing holes of most materials for deburring, chamfering or hole enlarging. TiN or TiCN coated countersinks are recommended for hard or corrosive materials. Countersinks with special geometry are available for hard to machine materials.
Tec-Spiral offer standard angles: 60°-82°-90°-100°-120°
Other angles available according to your drawings or requests