The Micro-Tec 31mm HSS Countersink (90° Three-Flute) is a high-precision cutting tool engineered for clean, chatter-free countersinking in metal, plastics, and composite materials. Manufactured from premium high-speed steel (HSS), this tool delivers excellent durability, heat resistance, and consistent cutting performance, making it ideal for machining, fabrication, and workshop environments. Its three-flute design provides smooth chip evacuation, minimal vibration, and superior surface finish quality when creating bevels, deburring holes, or preparing fastener seats. Perfect for general engineering, precision metalwork, CNC use, and maintenance applications.

• 31mm metric countersink for precision beveling and hole finishing
• 90u00b0 three-flute geometry ensures smooth cutting and reduced chatter
• Manufactured from high-speed steel (HSS) for durability and long tool life
• Suitable for metal, plastic, aluminium, mild steel, and composite materials
• Produces clean, accurate countersinks for screws, bolts, and fasteners
• Ideal for machining, metal fabrication, CNC operations, and workshop use