OSG Spiral Flute Tap: M8x1 Metric, D5 / 4H-6H, 3 Flute

The OSG spiral flute tap M8x1 is used for threading blind holes in materials such as steel and aluminum. Its spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. It is ideal for general-purpose machining in automotive, aerospace, and industrial manufacturing applications.

The OSG spiral flute tap has a metric M8x1 thread size, a D5 / 4H-6H tolerance class, and a modified bottoming chamfer with 3 flutes. The manufacturer part number is 2991300. It is designed for threading blind holes to a depth close to the bottom, providing precise thread fit.

You can source the OSG spiral flute tap M8x1 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine OSG cutting tools for your manufacturing needs.

Select an OSG spiral flute tap with a modified bottoming chamfer for blind holes, as it allows threading close to the hole bottom. Ensure the tap size matches your thread specification, such as M8x1, and the tolerance class (e.g., D5 / 4H-6H) fits your application. Use proper cutting fluid and machine alignment for best results.