OSG Thread Forming Tap: 1/2"-20 UNF, H5 / 2B-3B, Modified Bottoming Chamfer
SKU 3G-OTH-238479
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Frequently Asked Questions
What is the OSG Thread Forming Tap 1/2"-20 UNF used for?
This OSG thread forming tap is used to create internal threads in ductile materials like aluminum, steel, and stainless steel without cutting. It is ideal for automotive, aerospace, and general manufacturing applications where strong, chip-free threads are required.
What are the specifications of the OSG Thread Forming Tap 1/2"-20 UNF?
This OSG tap has a 1/2"-20 UNF thread size, H5 tolerance for 2B-3B class fit, modified bottoming chamfer, and black oxide cobalt finish. The manufacturer part number is 1400144601. It is designed for general purpose thread forming in a variety of materials.
Where to buy the OSG Thread Forming Tap 1/2"-20 UNF worldwide?
You can source the OSG Thread Forming Tap 1/2"-20 UNF from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct OSG tap for your application.
How to select the correct OSG thread forming tap for my application?
Select the OSG thread forming tap based on thread size (e.g., 1/2"-20 UNF), material type, and required thread class (2B-3B). For ductile materials, use a forming tap with appropriate coating like black oxide cobalt. Consult OSG's technical data for optimal speeds and lubrication.
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Common applications for OSGOSG Products
3G Electric supplies OSG general purpose thread-forming taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















