Toolex HSS-E Countersink - HSS-E Hole Type 90° Metric TiN Coated - 30mmCrafted with high speed steel (HSS E) and coated with a durable Titanium Nitride (TiN) layer, this countersink offers exceptional hardness, heat resistance, and extended tool life. The 90 hole type ensures a precise and consistent angle, allowing for clean and uniform countersinks in a variety of materials. The TiN coating further enhances the tool's performance by reducing friction, preventing chip build up, and promoting smooth chip evacuation.