OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
The OSG Spiral Flute Tap (1/2"-20 UNF) is a general-purpose spiral-flute tap with a bottoming chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and 3 flutes, identified by MPN 1432500.
SKU 3G-OTH-231010
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Product Description
The OSG Spiral Flute Tap (1/2"-20 UNF) is a general-purpose spiral-flute tap with a bottoming chamfer, made from high-speed steel. It features an H3 / 2B-3B tolerance class and 3 flutes, identified by MPN 1432500.
Frequently Asked Questions
What is an OSG spiral flute tap used for?
An OSG spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This 1/2"-20 UNF bottoming chamfer tap is ideal for reaching the bottom of a hole.
What are the specifications of the OSG 1/2"-20 UNF spiral flute tap?
This OSG tap has a 1/2"-20 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made from high-speed steel (HSS) and is designed for general-purpose threading. The manufacturer part number is 1432500.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide. We source and deliver genuine industrial cutting tools, handling logistics and customs for global orders. Contact us for availability and lead time on this 1/2"-20 UNF spiral flute tap or other OSG tooling needs.
How to select the right OSG tap for a blind hole?
For blind holes, choose a spiral flute tap like this OSG bottoming chamfer model. The spiral flutes evacuate chips upward, preventing packing. Ensure the tap's thread size (1/2"-20 UNF) and tolerance (H3 / 2B-3B) match your application. Use proper cutting fluid and speed for HSS tools.
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.
