Toolex Reamer - Stub Type - Spiral Flute - Straight Shank - HSS-E - H4 - 12.90mm

The Toolex Reamer, Stub Type, Spiral Flute, Straight Shank, HSS-E (M35 Cob) is a precision finishing tool with a 12.90 mm diameter designed to deliver tight hole size control in demanding materials. Supplied by Toolex Ltd, this intermediate-precision reamer is built for professional shops and engineers who need reliable, repeatable results.

Featuring a left-hand spiral flute and right-hand cutting, it provides controlled material removal and smooth hole finishes in a range of alloys and steels, while conforming to DIN 8089 specifications for consistent performance. The straight shank supports stable hold in common toolholding setups, with ISO H4 tolerance ensuring accurate hole sizes from run to run. This product is manufactured to order, with a despatch window of 24–48 hours.

• Durable HSS‑E (M35 Cob) construction: Cobalt-enriched high-speed steel offers increased hardness and wear resistance for longer tool life in demanding materials.
• DIN 8089 left‑hand spiral flute, right‑hand cutting: Optimizes cutting action and chip evacuation for clean, repeatable finishes.
• Made to order with 24–48 hour despatch: Clear production timeline ensures you receive the exact size you need when you need it.

Using this reamer helps you achieve precise, consistent hole sizes with reliable finishes, while the cobalt steel construction resists wear in tough materials. The DIN 8089 / ISO H4 specification underpins repeatable results across jobs, and the manufacture-to-order approach provides confidence you’re sourcing the exact tool your project requires within a predictable lead time.