Magafor Reamer - Spiral Flute - Straight Shank - HSS-E - 6.78mm

Magafor Reamer - Spiral Flute - Straight Shank - HSS-E - 6.78mm is an intermediate-precision reamer designed for finishing holes with dependable accuracy. Made from HSS-E (M35 cobalt), this straight-shank tool delivers consistent diameters and smooth bore quality when used in standard drilling setups. The left-hand spiral flute paired with right-hand cutting supports effective chip control and precise material removal for repeatable results.

Its 6.78 mm nominal diameter and DIN 212-B tolerance of D = 0 + 0.005 mm make it a reliable choice for programs that require tight size control, from light manufacturing to repair work. Suitable for engineers, machinists, and hobbyists who demand predictable performance without complicated adjustments.

• Tight DIN 212-B tolerance: DIN 212-B tolerance D = 0 + 0.005 mm ensures precise, repeatable bore diameters across multiple holes.
• Durable HSS-E (M35 cobalt) with straight shank: High-speed steel with cobalt provides long tool life and straightforward mounting in standard chucks, supporting consistent results over many holes.
• Left-hand spiral flute with right-hand cutting: Flute geometry enhances chip evacuation and delivers clean bores with stable finishes, even in deeper holes.

Used correctly, this reamer helps you finish holes to the exact size every time, reducing rework, downtime, and measurement challenges. The combination of material makeup and geometry delivers reliable performance across a range of materials, enabling faster setup, smoother operation, and consistently accurate results in every job.