OSG Spiral Flute Tap: M18x1.5 Metric, D6 / 4H-6H, 4 Flute

The OSG Spiral Flute Tap M18x1.5 is used for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, preventing clogging in deep holes. It is ideal for general-purpose tapping in automotive, aerospace, and general manufacturing applications where thread accuracy (4H-6H tolerance) is required.

The OSG Spiral Flute Tap 2993001 has a metric thread size of M18x1.5, a D6 / 4H-6H tolerance class, 4 flutes, and a modified bottoming chamfer. It is designed for blind-hole tapping and is made by OSG, a leading cutting tool manufacturer. The part number is 2993001.

You can source the OSG Spiral Flute Tap 2993001 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine OSG cutting tools to customers in over 50 countries.

To select the correct OSG spiral flute tap for blind holes, match the thread size (e.g., M18x1.5) and tolerance class (e.g., 4H-6H) to your workpiece material and required fit. Use a modified bottoming chamfer for threads close to the hole bottom. OSG taps are engineered for chip evacuation; consult OSG's technical data for material-specific speeds and feeds.