Magafor Reamer - Spiral Flute - Straight Shank - HSS-E - 3.89mm

Magafor Reamer - Spiral Flute - Straight Shank - HSS-E - 3.89mm is an intermediate precision finishing tool designed to bring holes to a tight, repeatable size. Crafted from HSS-E (M35 cobalt) for enhanced wear resistance, it features a straight shank for reliable mounting in standard chucks and collets. The flute is left-hand spiral with right-hand cutting, optimized for controlled material removal and consistent hole finishes. The DIN 212-B tolerance is D = 0 + 0.004 mm, ensuring precise hole sizing across production runs.

• Left-hand spiral flute with right-hand cutting: designed for efficient chip evacuation and stable cutting to deliver smooth, accurate hole finishes with reliable repeatability.
• HSS-E (M35 cobalt) for durability: higher hardness and wear resistance extend tool life when reaming harder materials, reducing replacement frequency and downtime.
• Straight shank with tight DIN 212-B tolerance: easy to mount in common tool holders and collets, with D = 0 + 0.004 mm tolerance to maintain consistent hole size across parts.

This reamer supports precise hole finishing in everyday workshop and production environments. Its robust material, clear geometry, and strict tolerance work together to deliver dependable results, helping you reduce rework and improve workflow when finishing holes at 3.89 mm.