OSG Spiral Flute Tap: 3/8"-16 UNC, 2B, 3 Flute, Bottoming Chamfer
SKU 3G-OTH-230218
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Frequently Asked Questions
What is the OSG spiral flute tap used for?
The OSG spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. This 3/8"-16 UNC tap with a bottoming chamfer is ideal for through-hole or deep-hole applications where chip evacuation is critical.
What are the specifications of the OSG spiral flute tap?
This OSG tap has a 3/8"-16 UNC thread size, 2B class fit, 3 flutes, and a bottoming chamfer. It is made from high-speed steel (HSS) for durability in general-purpose threading. The manufacturer part number is 2986000, and it is designed for blind-hole tapping in ferrous and non-ferrous materials.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, handling logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine OSG cutting tools like this spiral flute tap (MPN 2986000) and support procurement across 14 departments. Contact us for availability and lead times.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap with a bottoming chamfer, like this OSG 3/8"-16 UNC tap. The spiral flute design evacuates chips upward, preventing breakage. Ensure the tap matches the thread class (2B) and material (HSS for general use). Consult OSG's technical data for optimal speeds and lubrication.
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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.















