OSG Spiral Flute Tap: 7/16"-20 UNF, H11, 3 Flute, Modified Bottoming Chamfer (MPN 2942808)
SKU 3G-OTH-211254
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Frequently Asked Questions
What is the OSG 2942808 spiral flute tap used for?
The OSG 2942808 spiral flute tap is designed for threading blind holes in materials like steel and stainless steel. Its 3-flute design and modified bottoming chamfer allow chip evacuation upward, making it ideal for through-hole or deep-hole tapping where chip clogging is a concern.
What are the specifications of the OSG 2942808 tap?
The OSG 2942808 is a 7/16"-20 UNF spiral flute tap with an H11 tolerance, 3 flutes, and a modified bottoming chamfer. It is an oversized tap for producing threads with tighter fit or for use in oversized holes. The manufacturer part number is 2942808.
Where to buy the OSG 2942808 tap worldwide?
You can source the OSG 2942808 tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this OSG tap.
How to select the correct OSG spiral flute tap for my application?
Select the OSG spiral flute tap based on thread size (7/16"-20 UNF), chamfer type (modified bottoming for blind holes), and material. For harder materials, use a tap with appropriate coating. The H11 tolerance indicates a precision ground tap for consistent thread fit. Consult OSG's technical data for specific material recommendations.
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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.















