OSG Spiral Point Tap: 9/16"-12 UNC, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-215402
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Frequently Asked Questions
What is the OSG Spiral Point Tap 2857601 used for?
The OSG Spiral Point Tap 2857601 is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral-point design pushes chips ahead, reducing clogging in production tapping applications across machining, automotive, and general manufacturing industries.
What are the specifications of the OSG Spiral Point Tap 2857601?
The OSG Spiral Point Tap 2857601 has a 9/16"-12 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a general-purpose spiral-point tap designed for consistent thread quality in production environments.
Where to buy the OSG Spiral Point Tap 2857601 worldwide?
3G Electric supplies the OSG Spiral Point Tap 2857601 worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this and other OSG cutting tools across our 14 industrial departments.
How to select the correct OSG spiral point tap for a job?
Select an OSG spiral point tap based on thread size, pitch, material, and hole type. For the 2857601, use it for UNC threads in blind or through holes. Match the H limit (H3) to your required thread class (2B-3B) and ensure proper cutting speed and lubrication for the workpiece material.
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Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















