OSG Spiral Flute Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (3/8"-24 UNF, MPN 2931801) is a general purpose spiral-flute tap with a modified bottoming chamfer, featuring an H3 / 2B-3B tolerance class and 3 flutes. 3G Electric interprets demand and…
SKU 3G-OTH-230878
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Product Description
The OSG Spiral Flute Tap (3/8"-24 UNF, MPN 2931801) is a general purpose spiral-flute tap with a modified bottoming chamfer, featuring an H3 / 2B-3B tolerance class and 3 flutes. 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 3/8"-24 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in materials such as steel and aluminum. Its 3-flute design and modified bottoming chamfer allow chips to be pushed forward, reducing clogging and improving thread quality in general-purpose machining applications.
What are the specifications of the OSG spiral flute tap MPN 2931801?
The OSG spiral flute tap has a thread size of 3/8"-24 UNF, with a H3 / 2B-3B tolerance class. It features 3 flutes and a modified bottoming chamfer. The manufacturer part number is 2931801, and it is classified as a general-purpose spiral-flute tap.
Where to buy OSG taps in worldwide?
You can source OSG taps, including the spiral flute tap MPN 2931801, through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable procurement for your operations.
How to select the correct OSG tap for threading blind holes?
For blind holes, choose a spiral flute tap like this OSG model, which pushes chips forward to prevent packing. Ensure the thread size (3/8"-24 UNF) and tolerance (H3 / 2B-3B) match your requirements. A modified bottoming chamfer allows threading closer to the hole bottom, improving thread depth.
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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.














