OSG Spiral Flute Tap: M12x1.25 Metric, D5 / 4H-6H, 3 Flute

An OSG spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This M12x1.25 metric tap with a modified bottoming chamfer is ideal for applications requiring threads close to the hole bottom.

This OSG tap has a metric M12x1.25 thread size, a D5 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. The 4H-6H tolerance ensures precise thread fit for general-purpose blind hole threading. It is designed for use with steel, cast iron, and non-ferrous materials.

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source genuine OSG cutting tools like this M12x1.25 spiral flute tap and deliver them to your facility. Contact us for pricing and lead time.

Select a spiral flute tap based on thread size, pitch, and hole depth. For blind holes, choose a modified bottoming chamfer to thread close to the bottom. Match the tap tolerance (e.g., D5 / 4H-6H) to your required thread class. OSG taps are designed for consistent chip evacuation in steel and aluminum.