OSG Spiral Flute Tap: 1/2"-20 UNF, H11 / 2B, 3 Flute, Modified Bottoming Chamfer (MPN 2943001)
SKU 3G-OTH-211302
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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 1/2"-20 UNF tap with modified bottoming chamfer is ideal for applications requiring threads close to the hole bottom.
What are the specifications of the OSG 2943001 tap?
The OSG 2943001 is a spiral flute tap with size 1/2"-20 UNF, H11 / 2B tolerance, 3 flutes, and a modified bottoming chamfer. It is an oversized tap designed for threading blind holes in various materials. The part number is 2943001.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, handling logistics, customs, and delivery to your location. As a global industrial solutions provider, we source genuine OSG cutting tools like the 2943001 spiral flute tap. Contact us for pricing and lead time on this item.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap like the OSG 2943001 to evacuate chips upward. Match the tap size (e.g., 1/2"-20 UNF) and tolerance (H11 / 2B) to your thread requirements. A modified bottoming chamfer allows threading closer to the hole bottom. Consult OSG's technical data for material-specific speeds and feeds.
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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.















