The Toolex Reamer - Straight Shank - Spiral Flute - HSS-E - 11.71mm is a precision tool designed for professionals who need reliable hole enlargement and finishing with tight tolerances. Built for consistent performance across a range of materials, it delivers smooth, accurate holes operation after operation. Diameter: 11.71 mm ensure precise hole sizing and repeatable results Shank Type: Straight shank for easy clamping in various toolholding systems Flute Style: Spiral flute enables efficient chip evacuation and smoother cutting Material: HSS-E (high-speed steel with cobalt) for enhanced durability and heat resistance Primary Use: Precision hole enlargement and finishing to achieve tight tolerances Compatibility: Flexible with multiple machining setups and collet/chuck configurations The combination of spiral flutes and cobalt-enhanced high-speed steel translates to improved cutting performance and longer tool life, even in demanding applications. The straight shank design provides reliable engagement with a wide range of toolholding systems, helping minimize runout and maximize accuracy. Use this reamer to enlarge existing holes or reach a precise diameter with a clean, smooth finish on a variety of materials, making it a dependable choice for toolmakers, machinists, and quality-focused shops.