OSG Thread Forming Tap: 1/2"-20 UNF, H4 / 2B-3B, Modified Bottoming Chamfer
The OSG Thread Forming Tap (1/2"-20 UNF) is a general purpose thread-forming tap with a Modified Bottoming Chamfer, TiCN Coated Cobalt construction, and H4 / 2B-3B tolerance class (MPN 1400144508).
SKU 3G-OTH-238103
Need installation or engineering help?
Ask a question
Product Description
The OSG Thread Forming Tap (1/2"-20 UNF) is a general purpose thread-forming tap with a Modified Bottoming Chamfer, TiCN Coated Cobalt construction, and H4 / 2B-3B tolerance class (MPN 1400144508).
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 such as aluminum, brass, and low-carbon steel. It is ideal for automotive, aerospace, and general manufacturing applications where chip-free threading and high thread strength are required.
What are the specifications of the OSG Thread Forming Tap 1/2"-20 UNF?
This tap has a 1/2"-20 UNF thread size, H4 / 2B-3B tolerance, modified bottoming chamfer, and TiCN coated cobalt construction. The manufacturer part number is 1400144508. It is designed for general purpose thread forming in a variety of materials.
Where to buy OSG Thread Forming Tap 1/2"-20 UNF worldwide?
You can source the OSG Thread Forming Tap 1/2"-20 UNF through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct tool for your threading application.
How to select the correct OSG thread forming tap for my application?
Select based on thread size, material, and tolerance. For ductile materials like aluminum, use a forming tap with TiCN coating for wear resistance. The H4 / 2B-3B tolerance ensures proper fit. Consult OSG's technical data for specific material recommendations and tap geometry.
Used in
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.















