OSG Spiral Flute Tap: 1/4"-28 UNF, H11, 3 Flute, Modified Bottoming Chamfer (MPN 2940701)
SKU 3G-OTH-211282
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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 materials like steel and aluminum. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This 1/4"-28 UNF tap with a modified bottoming chamfer is ideal for applications requiring threads close to the hole bottom.
What are the specifications of the OSG 2940701 tap?
The OSG 2940701 is a spiral flute tap with a 1/4"-28 UNF thread size, H11 tolerance, 3 flutes, and a modified bottoming chamfer. It is an oversized tap designed for threading blind holes in tough materials. The manufacturer part number is 2940701.
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 and deliver genuine OSG cutting tools like the 2940701 spiral flute tap to any location. Contact us for pricing and delivery to your region.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap like the OSG 2940701 to evacuate chips upward. Ensure the thread size (e.g., 1/4"-28 UNF) matches your application, and select the correct chamfer type—modified bottoming for threads close to the hole bottom. Always match the tap tolerance (H11) to your thread class.
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Common applications for OSGOSG Products
3G Electric supplies OSG oversized spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















