OSG Spiral Flute Tap: M5.5x0.5 Metric, D3 / 4H-6H, 3 Flute

The OSG spiral flute tap M5.5x0.5 is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the hole bottom, making it ideal for precision tapping in industrial manufacturing and maintenance applications.

This OSG tap has a metric thread size of M5.5x0.5, a D3 / 4H-6H tolerance class, and 3 flutes. It features a modified bottoming chamfer for threading near hole bottoms. The manufacturer part number is 1650004608. It is designed for steel and stainless steel applications, ensuring reliable chip evacuation and thread accuracy.

You can source OSG spiral flute taps 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. 3G Electric supplies genuine OSG cutting tools for industrial procurement needs across international markets.

Select an OSG spiral flute tap based on thread size, pitch, and material. For steel and stainless steel, choose a tap with a D3 / 4H-6H tolerance class for precision. Ensure the chamfer type matches your hole depth—modified bottoming for blind holes. Verify flute count (3 flutes for balanced chip evacuation) and use appropriate cutting fluid for best results.