WIDIA GTD Spiral Flute Tap: 7/16"-14 UNC, H5 / 2B, 3 Flute, Bottoming Chamfer
SKU 3G-OTH-231080
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Frequently Asked Questions
What is the WIDIA GTD spiral flute tap used for?
This WIDIA GTD spiral flute tap is designed for threading blind holes in ferrous materials. The spiral flute design evacuates chips upward, preventing chip clogging, making it ideal for general-purpose tapping in machining, automotive, and industrial maintenance applications.
What are the specifications of the WIDIA GTD spiral flute tap 5390245?
The WIDIA GTD tap has a 7/16"-14 UNC thread, H5 / 2B tolerance, 3 flutes, and a bottoming chamfer. It features a black oxide cobalt finish for wear resistance. The manufacturer part number is 5390245.
Where to buy WIDIA GTD taps in worldwide?
3G Electric supplies WIDIA GTD taps worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 7/16"-14 UNC spiral flute tap.
How to select the right spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap with a bottoming chamfer to thread close to the hole bottom. Ensure the tap's thread size and tolerance (e.g., H5 / 2B) match your application. WIDIA GTD taps like this 3-flute design are a reliable choice for general-purpose threading.
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Common applications for WIDIA GTDWIDIA GTD Products
3G Electric supplies WIDIA GTD general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















