OSG Spiral Point Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-224049
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Frequently Asked Questions
What is the OSG spiral point tap 1730805 used for?
The OSG spiral point tap 1730805 is designed for threading holes in steel and stainless steel. Its spiral point design pushes chips ahead, making it ideal for through-hole applications in industrial manufacturing, automotive, and general engineering where clean, accurate threads are required.
What are the specifications of the OSG 1730805 tap?
The OSG 1730805 is a spiral point tap with size 5/16"-18 UNC, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading steel and stainless steel. The H3 / 2B-3B designation indicates precision ground thread limits for consistent fit.
Where to buy OSG taps in worldwide?
You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 1730805 spiral point tap.
How to select the correct OSG tap for steel?
For steel, choose a spiral point tap like the OSG 1730805 for through holes. Match the tap size (5/16"-18 UNC) to your hole thread requirements. Ensure the H3 / 2B-3B tolerance aligns with your desired thread class. Use proper cutting fluid and follow OSG's recommended speeds for best results.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














