OSG Thread Forming Tap: 1/4"-28 UNF, H5 / 2B-3B, Bottoming Chamfer
SKU 3G-OTH-237574
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG Thread Forming Tap 1/4"-28 UNF used for?
This OSG thread forming tap is used to create internal threads in metal workpieces without cutting material. It is ideal for ductile materials like aluminum, low-carbon steel, and stainless steel, commonly in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG Thread Forming Tap 1/4"-28 UNF?
This OSG tap has a 1/4"-28 UNF thread size, H5 tolerance for 2B-3B class fit, bottoming chamfer, and TiCN coating on cobalt steel. The manufacturer part number is 1400127908. It is designed for high-speed threading in production environments.
Where to buy the OSG Thread Forming Tap 1/4"-28 UNF worldwide?
You can source the OSG Thread Forming Tap 1/4"-28 UNF through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.
How to select the correct OSG thread forming tap for my application?
Select based on thread size (e.g., 1/4"-28 UNF), material type, and tolerance class. For ductile materials, use a forming tap like this OSG model with TiCN coating for wear resistance. Ensure the chamfer type (bottoming for blind holes) matches your hole depth. Consult OSG's technical data for optimal performance.
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.














