OSG Spiral Point Tap: 1/2"-20 UNF, 3B, 3 Flute, Plug Chamfer
The OSG Spiral Point Tap (1/2"-20 UNF, MPN 2881305) is a general purpose spiral-point tap with a 3B thread class, plug chamfer, and TiN coated high speed steel construction. It features 3 flutes and is designed for…
SKU 3G-OTH-215450
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Product Description
The OSG Spiral Point Tap (1/2"-20 UNF, MPN 2881305) is a general purpose spiral-point tap with a 3B thread class, plug chamfer, and TiN coated high speed steel construction. It features 3 flutes and is designed for through-hole threading applications.
Frequently Asked Questions
What is the OSG spiral point tap 1/2"-20 UNF used for?
This OSG spiral point tap is designed for threading blind or through holes in ferrous and non-ferrous materials. Its TiN coating reduces friction and extends tool life, making it suitable for general-purpose tapping in automotive, aerospace, and industrial manufacturing applications.
What are the specifications of the OSG 2881305 tap?
The OSG 2881305 is a 1/2"-20 UNF spiral point tap with a 3B thread class, 3 flutes, and a plug chamfer. It is made from TiN coated high-speed steel. This general-purpose tap is designed for precise threading in production environments.
Where to buy the OSG 2881305 tap worldwide?
You can source the OSG 2881305 tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this OSG spiral point tap.
How to select the correct OSG spiral point tap for a job?
Select the OSG spiral point tap based on thread size, pitch, and class (e.g., 1/2"-20 UNF 3B). Consider material hardness and hole type—spiral point taps push chips forward, ideal for through holes. TiN coating suits ferrous materials. Always match tap chamfer (plug, bottoming, or taper) to hole 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.















