OSG Spiral Point Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-214128
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Frequently Asked Questions
What is an OSG spiral point tap used for?
An OSG spiral point tap is designed for through-hole threading in production environments. Its spiral point pushes chips ahead, preventing clogging and enabling faster tapping in materials like steel, aluminum, and cast iron across machining, automotive, and general manufacturing applications.
What are the specifications of the OSG 1/4"-20 UNC spiral point tap?
This OSG tap has a 1/4"-20 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a general-purpose spiral-point tap for through-hole threading, with manufacturer part number 2830000. These specs ensure precise thread fit in production tapping.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 1/4"-20 UNC spiral point tap to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG tooling.
How to select the right OSG tap for through-hole threading?
For through-hole threading, choose a spiral point tap like this OSG 1/4"-20 UNC model. Ensure the thread size, pitch, and tolerance (H3 / 2B-3B) match your application. Use proper cutting fluid and machine speed per material to maximize tap life and thread quality.
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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.















