Toolex Hand Reamer - Spiral Flute - Straight Shank - HSS - H5 - 3.97mm ER Collet Chucks it delivers ultra-tight run-out and

it delivers ultra-tight run-out and a robust coolant seal to keep chips and coolant where they belong

these collets deliver consistent performance in a wide range of tapping tasks

The cobalt-enhanced HSS (HSS-E) formulation stands up to higher cutting speeds and extended usage

Designed to tackle fine details in molds and dies

Flutes: 2-flute design — optimized for efficient chip evacuation and smooth cuts in hard materials

Toolex Hand Reamer - Spiral Flute - Straight Shank - HSS - H5 - 3.97mm ER Collet Chucks it delivers ultra-tight run-out andThe Toolex Hand Reamer is a precision tool designed for finishing internal holes with tight, consistent diameters. Sized at 3. 97 mm, it features a spiral flute and a straight shank, crafted in high speed steel for reliable, long lasting performance in metalworking tasks. Size: 3. 97 mm Material: HSS (M2) high speed steel Flute: Left hand spiral flute with right hand cutting Shank: Straight shank for easy use in hand reamers and guiding tools