OSG Thread Forming Tap: 1/4"-28 UNF, H4 / 2B-3B, Modified Bottoming Chamfer
The OSG Thread Forming Tap (1/4"-28 UNF) is a general-purpose thread-forming tap with a Modified Bottoming Chamfer, TiCN Coated Cobalt construction, and H4 / 2B-3B tolerance class (MPN 1400128408).
SKU 3G-OTH-238699
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Product Description
The OSG Thread Forming Tap (1/4"-28 UNF) is a general-purpose thread-forming tap with a Modified Bottoming Chamfer, TiCN Coated Cobalt construction, and H4 / 2B-3B tolerance class (MPN 1400128408).
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 ductile materials such as steel, aluminum, and brass without cutting. It is ideal for automotive, aerospace, and general manufacturing applications requiring strong, burr-free threads.
What are the specifications of the OSG Thread Forming Tap 1/4"-28 UNF?
The OSG thread forming tap has a 1/4"-28 UNF thread size, H4 / 2B-3B tolerance, modified bottoming chamfer, and TiCN coated cobalt construction. The manufacturer part number is 1400128408. It is designed for general purpose thread forming in a variety of materials.
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 the OSG thread forming tap based on thread size, pitch, and material. For 1/4"-28 UNF threads in steel or aluminum, use a TiCN coated cobalt tap like this one. Ensure the tap drill size matches the forming tap's requirements for proper thread engagement and strength.
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.















