OSG Spiral Flute Tap: 1/4"-28 UNF, H5 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/4"-28 UNF, MPN 2940401) is a general-purpose tap with an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets demand and delivers this genuine…
SKU 3G-OTH-231186
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Flute Tap (1/4"-28 UNF, MPN 2940401) is a general-purpose tap with an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.
Frequently Asked Questions
What is the OSG spiral flute tap 2940401 used for?
The OSG spiral flute tap 2940401 is designed for threading blind holes in materials such as steel and aluminum. Its spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG spiral flute tap 1/4-28 UNF?
This OSG tap has a 1/4-28 UNF thread size, H5 tolerance for 2B-3B class fit, 3 flutes, and a modified bottoming chamfer. The manufacturer part number is 2940401. It is designed for precise threading in blind holes, with a spiral flute geometry that efficiently evacuates chips.
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 location. Contact us for availability and lead times on the OSG spiral flute tap 2940401 and other cutting tools.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap like the OSG 2940401, which pushes chips out of the hole. Ensure the tap has a modified bottoming chamfer for threading close to the hole bottom. Match the thread size (e.g., 1/4-28 UNF) and tolerance (H5) to your application requirements.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
