OSG Extension Tap: M15x1.5 Metric, D6 / 4H-6H, 3 Flute

The OSG Extension Tap M15x1.5 is used for threading blind or deep holes in multiple materials, including steel, stainless steel, and aluminum. Its 3-flute spiral-flute design and modified bottoming chamfer allow efficient chip evacuation and threading close to the bottom of the hole, making it ideal for automotive and general manufacturing applications.

The OSG Extension Tap has a metric thread size of M15x1.5, a thread tolerance of D6 / 4H-6H, 3 flutes, and a modified bottoming chamfer. The manufacturer part number is 1652007308. It is designed for threading multiple materials and is suitable for use with extension tap holders for deep-hole applications.

You can source the OSG Extension Tap M15x1.5 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 source and deliver this tap to support your manufacturing operations anywhere in the world.

To select the correct OSG Extension Tap, match the thread size (M15x1.5) and tolerance (D6 / 4H-6H) to your hole specifications. For deep or blind holes, choose a spiral-flute tap with a modified bottoming chamfer, like this model, to ensure chip evacuation and full thread depth. Always verify material compatibility and use appropriate cutting fluid for best results.