OSG Spiral Flute Tap: 3/4"-16 UNF, H5 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 0139901)
SKU 3G-OTH-218920
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Frequently Asked Questions
What is the OSG spiral flute tap 3/4"-16 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general machining applications where precise internal threads are required.
What are the specifications of the OSG tap MPN 0139901?
The OSG spiral flute tap has a thread size of 3/4"-16 UNF, with an H5 tolerance class suitable for 2B-3B fit. It features 4 flutes and a bottoming chamfer for threading to the bottom of blind holes. The manufacturer part number is 0139901.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 3/4"-16 UNF spiral flute tap to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this and other OSG cutting tools.
How to select the right OSG tap for stainless steel?
For stainless steel, choose a spiral flute tap with a bottoming chamfer for blind holes, like the OSG 3/4"-16 UNF. Ensure the tap has a suitable coating (e.g., TiN or TiCN) for heat resistance. Match the thread class (e.g., H5 for 2B-3B fit) to your application. Use proper cutting fluid to reduce friction and extend tool life.
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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.
