OSG Spiral Flute Tap: 1/4"-28 UNF, H11, 3 Flute, Modified Bottoming Chamfer (MPN 2940708)
SKU 3G-OTH-211315
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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 2940708 tap?
The OSG 2940708 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 various materials. The manufacturer part number is 2940708.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, handling logistics and customs for global delivery. As a sourcing specialist across 14 industrial departments, we provide genuine OSG taps like the 2940708. Contact us for availability and lead time on this and other threading tools.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap like the OSG 2940708 to evacuate chips upward. Ensure the thread size (e.g., 1/4"-28 UNF) matches your application, and select the chamfer type—modified bottoming for threads close to the hole bottom. Always use proper cutting fluid for best results.
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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.















