OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-217870
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Frequently Asked Questions
What is an OSG spiral flute tap used for?
An OSG spiral flute tap is used for threading blind holes in steel and stainless steel. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This 1/2"-20 UNF tap with bottoming chamfer is ideal for reaching the bottom of a hole.
What are the specifications of the OSG 0138801 tap?
The OSG 0138801 is a 1/2"-20 UNF spiral flute tap with a H3 / 2B-3B tolerance class. It has 3 flutes and a bottoming chamfer, designed for threading steel and stainless steel. The H3 limit ensures precise thread fit for class 2B-3B applications.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, including the 0138801 spiral flute tap. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine OSG cutting tools and support your procurement needs across 14 departments.
How to select the right spiral flute tap for steel?
Select a spiral flute tap based on thread size, pitch, and material. For steel and stainless steel, use a tap with a bottoming chamfer for blind holes. The OSG 0138801 with H3 / 2B-3B tolerance provides accurate threads. Ensure proper lubrication and speed per manufacturer guidelines.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
