Toolex Reamer with a straight shank and spiral flute, crafted in HSS-E, is the precision tool you reach for when you need to enlarge and finish holes with consistent accuracy. Designed for machinists and shops that value repeatable bore diameters, this 4.33 mm reamer delivers reliable performance across a broad range of materials.

• Diameter: 4.33 mm for precise hole sizing and finishing
• Material: HSS‑E (high-speed steel with cobalt) for enhanced wear resistance and heat tolerance
• Flute Style: Spiral flute promotes efficient chip evacuation and smoother cutting action
• Shank Type: Straight shank compatible with a wide variety of tool holders and collets
• Precision: Consistent hole enlargement with tight tolerances and a clean bore finish
• Applications: Ideal for enlarging and finishing holes in a broad range of common machining materials

This reamer is built to maintain stable diameters through repetitive reaming passes, helping you achieve smooth surfaces and accurate bore dimensions. The combination of cobalt-enhanced HSS and the spiral flute design improves heat resistance and reduces chip buildup, supporting longer tool life and fewer interruptions on the shop floor. Whether you’re finishing an existing hole or dialing in a specific bore size, this 4.33 mm straight-shank reamer provides dependable, precise results in a variety of machining setups.