OSG Spiral Flute Tap: 1"-8 UNC, H5 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 2944401)
SKU 3G-OTH-230416
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG spiral flute tap 2944401 used for?
This OSG spiral flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its 4-flute design and modified bottoming chamfer efficiently evacuate chips upward, making it ideal for automotive, aerospace, and general machining applications where chip clearance is critical.
What are the specifications of the OSG 2944401 tap?
The OSG 2944401 is a 1"-8 UNC spiral flute tap with H5 tolerance for 2B-3B thread classes. It has 4 flutes and a modified bottoming chamfer. This general-purpose tap is suitable for through or blind hole threading in a range of materials.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 2944401 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG threading tools.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap like the OSG 2944401 to pull chips out of the hole. Ensure the tap's thread class (e.g., 2B-3B) matches your application tolerance. Use proper cutting fluid and speed based on material hardness to extend tool life.
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.















