OSG Spiral Flute Tap: 5/8"-11 UNC, H3 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (5/8"-11 UNC, MPN 1650504108) is a 3-flute, modified bottoming chamfer tap with H3 / 2B-3B tolerance class, designed for threading steel and stainless steel. 3G Electric interprets your…
SKU 3G-OTH-219122
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Product Description
The OSG Spiral Flute Tap (5/8"-11 UNC, MPN 1650504108) is a 3-flute, modified bottoming chamfer tap with H3 / 2B-3B tolerance class, designed for threading steel and stainless steel. 3G Electric interprets your demand for this OEM-specified tool, sources it, and supports your application across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor.
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 pulls chips upward and out of the hole, preventing chip clogging and ensuring clean threads. This makes it ideal for automotive, aerospace, and general machining applications.
What are the specifications of the OSG 5/8"-11 UNC spiral flute tap?
This OSG tap has a 5/8"-11 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading blind holes in steel and stainless steel. The manufacturer part number is 1650504108.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine OSG cutting tools and can provide the correct tap for your threading application.
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 H3 tolerance and modified bottoming chamfer for blind holes. Ensure the tap matches your hole depth and thread class (2B-3B). OSG taps are a reliable choice for these applications.
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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.















