OSG Spiral Point Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-214163
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Frequently Asked Questions
What is an OSG spiral point tap used for?
An OSG spiral point tap is used for through-hole threading in production machining. Its spiral-point design pushes chips ahead, preventing clogging and enabling faster tapping cycles in steel, stainless steel, and cast iron across automotive, aerospace, and general manufacturing.
What are the specifications of the OSG 2830801 tap?
The OSG 2830801 is a 5/16"-18 UNC spiral point tap with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for general-purpose through-hole threading in ferrous and non-ferrous materials, offering reliable chip evacuation and thread accuracy.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, including the 2830801 spiral point tap. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG threading tools across 14 industrial departments.
How to select the right OSG spiral point tap?
Select an OSG spiral point tap based on thread size (e.g., 5/16"-18 UNC), hole type (through-hole), material, and tolerance class (H3 / 2B-3B). For through-holes, spiral point taps push chips forward. Match the chamfer type (plug, bottoming, or taper) to your application depth.
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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.















