OSG Spiral Flute Tap: 7/8"-9 UNC, H5 / 2B-3B, 4 Flute
The OSG 7/8"-9 UNC General Purpose Spiral-Flute Tap (MPN 2944008) is an H5 / 2B-3B, 4-flute tap with a Modified Bottoming Chamfer. 3G Electric interprets this demand and sources the genuine OSG tool, backed by our…
SKU 3G-OTH-230224
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Product Description
The OSG 7/8"-9 UNC General Purpose Spiral-Flute Tap (MPN 2944008) is an H5 / 2B-3B, 4-flute tap with a Modified Bottoming Chamfer. 3G Electric interprets this demand and sources the genuine OSG tool, backed by our specialist expertise across 14 industrial departments — and we supply far more than is listed.
Frequently Asked Questions
What is the OSG spiral flute tap 2944008 used for?
The OSG spiral flute tap 2944008 is a general-purpose tap designed for threading blind holes in ferrous and non-ferrous materials. 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 2944008?
The OSG spiral flute tap 2944008 has a thread size of 7/8"-9 UNC, with an H5 tolerance for 2B-3B class fit. It features 4 flutes and a modified bottoming chamfer for threading close to the bottom of blind holes. The manufacturer part number is 2944008.
Where to buy the OSG spiral flute tap 2944008 worldwide?
You can source the OSG spiral flute tap 2944008 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 on this and other OSG taps.
How to select the correct OSG spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap like the OSG 2944008, which evacuates chips upward. Ensure the tap has a modified bottoming chamfer to thread close to the hole bottom. Match the thread size, pitch, and tolerance (e.g., 7/8"-9 UNC, 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.

