OSG Spiral Flute Tap: 5/8"-11 UNC, H5 / 2B-3B, 4 Flute
The OSG Spiral Flute Tap (5/8"-11 UNC) is a general-purpose spiral-flute tap with an H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 2943201). We interpret your threading requirements, source…
SKU 3G-OTH-230359
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Product Description
The OSG Spiral Flute Tap (5/8"-11 UNC) is a general-purpose spiral-flute tap with an H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 2943201). We interpret your threading requirements, source this OSG tap, and support your machining operations across 14 industrial departments — with specialist depth in cutting tools and controls.
Frequently Asked Questions
What is the OSG spiral flute tap 2943201 used for?
The OSG spiral flute tap 2943201 is used for threading blind holes in materials such as steel and cast iron. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly applied in automotive, aerospace, and general manufacturing where precise UNC threads are required.
What are the specifications of the OSG spiral flute tap 5/8"-11 UNC?
This OSG tap has a 5/8"-11 UNC thread size, H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. The spiral flute design is optimized for blind-hole threading. The manufacturer part number is 2943201. It is a general-purpose tap suitable for ferrous materials.
Where to buy OSG spiral flute tap 2943201 worldwide?
You can source the OSG spiral flute tap 2943201 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. We supply genuine OSG taps for industrial applications.
How to select the correct OSG spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap like the OSG 2943201 with a modified bottoming chamfer to thread close to the hole bottom. Ensure the tap size matches your thread specification (e.g., 5/8"-11 UNC). Use proper cutting fluid and machine speed per OSG recommendations for optimal thread quality and tool life.
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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.















