Toolex Reamer - Straight Shank - Spiral Flute - Carbide - H5 - 4.22mm

The Toolex Reamer is a straight-shank carbide reamer sized at 4.22 mm, engineered to finish holes with tight accuracy and a smooth bore. Designed for engineers, machinists, buyers, and hobbyists, it’s built for reliable reaming in a range of metals, with a straight shank that fits standard chucks or collets for quick setup.

Its left-hand spiral flute paired with right-hand cutting supports effective chip evacuation and stable cutting, producing a true, uniform hole. The tool is specified to DIN 212-B with an H5 tolerance of ±0.003 mm, offering repeatable results and compatibility with common ream finishing standards.

• Left-hand spiral flute with right-hand cutting: Provides efficient chip evacuation and a stable, true-hole finish across metals.
• K10 carbide construction: Delivers enhanced wear resistance and longer tool life for consistent reaming performance.
• 4.22 mm size with H5 tolerance (DIN 212-B): Ensures tight dimensional control and reliable fits in standard housings and fixtures.

Using this Toolex reamer can streamline your workflow by delivering precise bore finishes in fewer passes, reducing scrap, and extending tool life through carbide wear resistance. With dependable performance and straightforward setup, it’s a solid choice for production runs and precision assemblies alike.