OSG Spiral Flute Tap: 1/2"-20 UNF, H5 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 0138901)
SKU 3G-OTH-218609
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Frequently Asked Questions
What is the OSG Spiral Flute Tap 1/2"-20 UNF used for?
This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its 3-flute design and bottoming chamfer efficiently evacuate chips upward, making it ideal for automotive, aerospace, and general manufacturing applications requiring precise UNF threads.
What are the specifications of the OSG Spiral Flute Tap 0138901?
The OSG spiral flute tap has a thread size of 1/2"-20 UNF, with an H5 tolerance class for 2B-3B fit. It features 3 flutes and a bottoming chamfer, optimized for threading blind holes in steel and stainless steel. The manufacturer part number is 0138901.
Where to buy the OSG Spiral Flute Tap 0138901 worldwide?
You can source the OSG spiral flute tap 0138901 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine OSG tooling for your threading operations.
How to select the correct OSG spiral flute tap for steel?
Select an OSG spiral flute tap based on thread size, pitch, and material. For steel and stainless steel blind holes, choose a bottoming chamfer with 3 flutes, like the 1/2"-20 UNF H5 tap. Ensure the tap tolerance matches the required thread class (e.g., 2B-3B) for proper fit.
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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.
