Toolex Die Maker Reamer HSS-E Spiral Flute SS M35 COB 5% - 18-9mm

Toolex Die Maker Reamer is a precision HSS-E spiral flute reamer designed for die making and precision finishing tasks. With a 5% taper and right-hand cut, it delivers controlled material removal and a clean bore from start to finish.

Manufactured from HSS‑E (M35 cobalt), this reamer provides increased hardness and wear resistance to stand up to demanding materials and long production runs. Tolerances are D ± 0.05 mm, d ± 0.05 mm, L ± 1 mm, and d1 = h8, ensuring tight, repeatable hole sizes across parts.

• 5% taper for precise bore finish: The gradual taper supports consistent hole sizing along the depth of cut, reducing oversize exits and minimizing rework.
• HSS-E (M35 cobalt) for durability: High-hardness cobalt-enhanced steel delivers longer tool life and reliable performance in tougher materials.
• Spiral flute with right-hand cut for smooth cutting: Efficient chip evacuation and reduced rubbing produce cleaner holes and better surface finishes.

By using this reamer, you’ll achieve tighter, more repeatable bore sizes, fewer secondary finishing steps, and improved overall production efficiency. The combination of precision tolerances, durable material, and thoughtful flute geometry helps you deliver high-quality parts on time, with greater confidence.