OSG Spiral Flute Tap: M20x1.5 Metric, 6H, 4 Flute, Bottoming Chamfer (MPN 1311301808)
SKU 3G-OTH-252705
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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 alloy steels. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. The coolant-through feature improves lubrication and heat dissipation during high-speed tapping operations.
What are the specifications of the OSG M20x1.5 spiral flute tap?
This OSG tap has a metric M20x1.5 thread size, 6H tolerance, 4 flutes, and a bottoming chamfer. It is designed for coolant-through operation in alloy steels. The manufacturer part number is 1311301808.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG cutting tools and deliver them to your facility. Contact us for pricing and lead time on this M20x1.5 spiral flute tap.
How to select the right OSG tap for alloy steel?
Select an OSG tap based on thread size, pitch, tolerance class, and chamfer type. For blind holes in alloy steel, a spiral flute tap with coolant-through capability is recommended. Ensure the tap matches your material hardness and machine speed for optimal thread quality and tool life.
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Common applications for OSGOSG Products
3G Electric supplies OSG coolant-through spiral-flute taps for alloy steels. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














