Toolex Hand Reamer - Spiral Flute - Straight Shank - HSS - H5 - 12.51mm NCDC Drill Chuck and a 4-flute design translates

and a 4-flute design translates to smoother operations

This end mill is engineered to maintain stable cutting performance on high-hardness workpieces

enabling easy integration and quick setup

Configured for left-handed tooling

45° Helix for Efficient Chip Evacuation: The 45° helix angle promotes rapid chip removal and reduces cutting forces

Toolex Hand Reamer - Spiral Flute - Straight Shank - HSS - H5 - 12.51mm NCDC Drill Chuck and a 4-flute design translatesToolex Hand Reamer is a precision hand reamer crafted from high speed steel (M2) for finishing holes to a exact, reliable size. Designed for engineers, machinists, tradespeople, and hobbyists, it combines a lefthand spiral flute with a righthand cutting action to deliver smooth material removal and consistent hole quality. The 12. 51 mm nominal diameter is paired with DIN 206B compatibility and ISO H5 tolerance, ensuring predictable results across