The Toolex Reamer with a straight shank and spiral flute is a precision tool designed for accurate hole enlargement and finishing across a variety of materials. Built for professional machinists and shop floors, it delivers consistent bore quality and dependable performance.

• Diameter: 4.37 mm
• Material: HSS-E (high-speed steel with cobalt) for enhanced durability and heat resistance
• Flute Design: Spiral flute for efficient chip evacuation and smoother cutting
• Shank Type: Straight shank for easy compatibility with multiple toolholding systems
• Precision: Ground for tight tolerances and reliable, repeatable hole sizes

These reamers excel at enlarging existing holes and delivering clean, precise finishes in a range of metals. The cobalt-infused HSS-E construction helps maintain cutting performance under heat, while the spiral flutes minimize chip buildup and reduce the risk of clogging. The straight shank ensures straightforward mounting in CNC spindles, collets, or chucks, making it a flexible choice for diverse machining setups. Whether you’re refining a bore to a specific diameter or finishing a hole for a tight assembly fit, this reamer provides consistent results and long service life.