OSG Spiral Flute Tap: M20x1.5 Metric, OH2 / 6H, 4 Flute
SKU 3G-OTH-230280
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Frequently Asked Questions
What is an OSG spiral flute tap used for?
An OSG spiral flute tap is used for threading blind holes in metalworking. The spiral design pushes chips upward and out of the hole, preventing clogging and breakage. It is ideal for production tapping in steel, stainless steel, and non-ferrous materials across machining, automotive, and general manufacturing applications.
What are the specifications of the OSG M20x1.5 spiral flute tap?
This OSG tap has a metric M20x1.5 thread, OH2 / 6H tolerance, 4 flutes, and a modified bottoming chamfer. The OH2 / 6H class ensures precise fit for general-purpose threading. It is designed for blind-hole tapping and is made by OSG, a leading cutting tool manufacturer.
Where to buy OSG taps in worldwide?
3G Electric supplies and delivers OSG taps worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order reaches any international destination. Contact us for pricing and lead time on the OSG M20x1.5 spiral flute tap (MPN 11762).
How to select the right spiral flute tap for blind holes?
Select a spiral flute tap based on thread size, material, and hole depth. For blind holes, choose a modified bottoming chamfer like this OSG M20x1.5 tap to thread close to the bottom. Match the tap tolerance (e.g., OH2 / 6H) to your required thread class. Always use proper cutting fluid for the workpiece material.
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3G Electric supplies OSG general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















