OSG Spiral Flute Tap: 7/16"-20 UNF, H11, 3 Flute, Modified Bottoming Chamfer (MPN 2942800)
SKU 3G-OTH-211307
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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 7/16"-20 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 2942800 tap?
The OSG 2942800 is a spiral flute tap with a 7/16"-20 UNF thread size, H11 tolerance, 3 flutes, and a modified bottoming chamfer. It is an oversized tap designed for threading blind holes in demanding industrial applications. 3G Electric supplies this genuine OSG part worldwide.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps, including the 2942800 spiral flute tap, to customers worldwide. We handle full logistics and customs clearance for global delivery. Contact us to source this genuine OSG part for your threading needs, with lead time provided on request.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap like the OSG 2942800 to evacuate chips upward. Match the thread size (e.g., 7/16"-20 UNF), chamfer type (modified bottoming for near-bottom threads), and tolerance (H11) to your material and depth requirements. 3G Electric can help you source the correct OSG tap.
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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.















