Toolex Reamer - Straight Shank - Spiral Flute - Carbide - H5 - 4.28mm 4 Month Widin Leak-resistant seal design: Non-overlapping longitudinal

Leak-resistant seal design: Non-overlapping longitudinal slots at the center minimize coolant loss

improving thread quality from the first cut

and material needs

working brass hardware

you’ll achieve cleaner

Toolex Reamer - Straight Shank - Spiral Flute - Carbide - H5 - 4.28mm 4 Month Widin Leak-resistant seal design: Non-overlapping longitudinalToolex Reamer Straight Shank Spiral Flute Carbide H5 4. 28mm is an intermediate precision carbide reamer designed to bring drilled holes to a precise 4. 28 mm diameter. Built with a straight shank and carbide (K10), it delivers durable performance and repeatable finishes. The tool features a left hand spiral flute with right hand cutting to help produce smooth bore surfaces and consistent sizing. Left hand spiral flute with right hand cutting: