OSG Spiral Flute Tap: 1/2"-13 UNC, H7 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/2"-13 UNC, MPN 2942500) is a general-purpose spiral-flute tap with an H7 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets your demand for this…
SKU 3G-OTH-230781
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Flute Tap (1/2"-13 UNC, MPN 2942500) is a general-purpose spiral-flute tap with an H7 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor.
Frequently Asked Questions
What is the OSG spiral flute tap 1/2"-13 UNC used for?
This OSG spiral flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, making it ideal for general-purpose tapping where chip clearance is critical. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG 2942500 tap?
The OSG 2942500 is a 1/2"-13 UNC spiral flute tap with a modified bottoming chamfer and 3 flutes. It has a thread tolerance of H7 / 2B-3B, ensuring precise fit for class 2B and 3B nuts. This general-purpose tap is suitable for blind hole threading in a variety of materials.
Where to buy OSG taps in worldwide?
You can source OSG taps, including the 2942500 model, through 3G Electric. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this and other OSG tooling.
How to select the correct OSG tap for blind holes?
For blind holes, choose a spiral flute tap like this OSG 1/2"-13 UNC model. The spiral flutes push chips out of the hole, preventing clogging. Ensure the tap has a modified bottoming chamfer to thread close to the hole bottom. Match the thread tolerance (H7 / 2B-3B) to your application requirements for proper fit.
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.
