OSG Spiral Flute Tap: 1/4"-28 UNF, H5 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/4"-28 UNF) is a general-purpose spiral-flute tap with an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 2940408). 3G Electric interprets demand and sources this…
SKU 3G-OTH-230477
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Flute Tap (1/4"-28 UNF) is a general-purpose spiral-flute tap with an H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 2940408). 3G Electric interprets demand and sources this genuine OSG tap across 14 industrial departments — with specialist depth in combustion, pumps and controls — ensuring you get the right answer, not just a catalog.
Frequently Asked Questions
What is the OSG spiral flute tap 2940408 used for?
The OSG spiral flute tap 2940408 is used 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 ideal for general-purpose tapping in manufacturing and maintenance applications.
What are the specifications of the OSG spiral flute tap 2940408?
The OSG spiral flute tap 2940408 has a thread size of 1/4"-28 UNF, with an H5 tolerance class for 2B-3B fit. It features 3 flutes and a modified bottoming chamfer. The manufacturer part number is 2940408. This tap is designed for precise threading in blind holes.
Where to buy the OSG spiral flute tap 2940408 worldwide?
You can source the OSG spiral flute tap 2940408 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for this and other OSG taps.
How to select the correct OSG spiral flute tap for blind holes?
To select the correct OSG spiral flute tap for blind holes, match the thread size (e.g., 1/4"-28 UNF) and tolerance class (H5 for 2B-3B fit) to your application. Choose a modified bottoming chamfer for threading close to the hole bottom. OSG taps are designed for efficient chip evacuation in blind-hole tapping.
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.
