OSG Spiral Flute Tap: 1/2"-13 UNC, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-217860
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Frequently Asked Questions
What is the OSG spiral flute tap 1/2"-13 UNC 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, making it ideal for bottoming applications where chip clearance is critical. It is commonly used in automotive, aerospace, and general manufacturing.
What are the specifications of the OSG spiral flute tap 0138601?
The OSG spiral flute tap (MPN 0138601) has a thread size of 1/2"-13 UNC, with a H3 / 2B-3B tolerance class. It features 3 flutes and a bottoming chamfer, designed for threading blind holes in steel and stainless steel. The H3 ground thread limit ensures precise fit for 2B-3B class threads.
Where to buy OSG spiral flute taps worldwide?
3G Electric supplies OSG spiral flute taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 0138601 tap. We source and deliver to meet your production needs.
How to select the correct OSG spiral flute tap for steel?
For steel and stainless steel, select an OSG spiral flute tap with a bottoming chamfer for blind holes. Ensure the thread size (e.g., 1/2"-13 UNC) and tolerance class (H3 / 2B-3B) match your application. Use appropriate cutting fluid and machine speed per OSG recommendations for optimal thread quality and tool life.
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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.















