OSG Spiral Point Tap: 1/2"-13 UNC, H2 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Spiral Point Tap (1/2"-13 UNC) is a general purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features 3 flutes and is rated H2 / 2B-3B (MPN 1227400).
SKU 3G-OTH-214439
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Point Tap (1/2"-13 UNC) is a general purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features 3 flutes and is rated H2 / 2B-3B (MPN 1227400).
Frequently Asked Questions
What is the OSG spiral point tap 1/2-13 UNC used for?
This OSG spiral point tap is used for threading through holes in metal, steel, and alloys. Its spiral-point design pushes chips forward, making it ideal for high-speed production tapping in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG tap MPN 1227400?
The OSG tap MPN 1227400 is a 1/2-13 UNC spiral point tap with H2 / 2B-3B tolerance, 3 flutes, plug chamfer, and high-speed steel construction. It is designed for general-purpose threading of through holes in ferrous materials.
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 facility. Contact us for availability and lead time on the OSG spiral point tap MPN 1227400.
How to select the right OSG tap for threading steel?
For threading steel, choose a tap with the correct thread size (e.g., 1/2-13 UNC), proper chamfer (plug for through holes), and H2 tolerance for class 2B-3B fit. High-speed steel taps like this OSG model offer good wear resistance for general-purpose production runs.
Used in
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.















