OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/2"-20 UNF) is a general-purpose spiral-flute tap with an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 2932608). 3G Electric interprets your demand and sources this…
SKU 3G-OTH-230258
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Product Description
The OSG Spiral Flute Tap (1/2"-20 UNF) is a general-purpose spiral-flute tap with an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 2932608). 3G Electric interprets your demand and sources this OSG tap across 14 industrial departments, with specialist depth in cutting tools and controls to ensure you get the right solution.
Frequently Asked Questions
What is the OSG spiral flute tap 1/2"-20 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in materials such as steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications where precise UNF threads are required.
What are the specifications of the OSG spiral flute tap MPN 2932608?
The OSG spiral flute tap MPN 2932608 has a thread size of 1/2"-20 UNF, with a H3 / 2B-3B tolerance class. It features 3 flutes and a modified bottoming chamfer for threading close to the bottom of blind holes. The tap is made from high-speed steel for durability and precision.
Where to buy OSG spiral flute taps worldwide?
You can source OSG spiral flute taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on this and other OSG tapping tools.
How to select the correct OSG spiral flute tap for a job?
To select the correct OSG spiral flute tap, match the thread size (e.g., 1/2"-20 UNF) and tolerance class (H3 / 2B-3B) to your application. For blind holes, use a modified bottoming chamfer. Consider material hardness and tap coating for optimal performance. Consult OSG's technical guides for specific recommendations.
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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.















