OSG Spiral Point Tap: 1/2"-13 UNC, H11 / 2B, 3 Flute, Plug Chamfer (MPN 2857401)
SKU 3G-OTH-251288
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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 cycles in materials like steel and aluminum.
What are the specifications of the OSG 2857401 tap?
The OSG 2857401 is a 1/2"-13 UNC oversized spiral point tap with H11 / 2B tolerance, 3 flutes, and a plug chamfer. It is designed for through-hole threading and is available from 3G Electric.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. We source genuine OSG cutting tools like the 2857401 and deliver to industrial facilities globally.
How to select the correct OSG tap size for a thread?
Select an OSG tap by matching its thread size, pitch, and class of fit to your application. For the 2857401, use a 1/2"-13 UNC hole with H11 / 2B tolerance. Consult OSG's technical data for material-specific speeds and feeds.
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Common applications for OSGOSG Products
3G Electric supplies OSG oversized spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
