WIDIA GTD Spiral Flute Tap: 7/16"-14 UNC, H3 / 3B, 3 Flute, Bottoming Chamfer (MPN 19647)
SKU 3G-OTH-230702
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Frequently Asked Questions
What is the WIDIA GTD spiral flute tap used for?
The WIDIA GTD spiral flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, making it ideal for bottoming chamfer applications where chip clearance is critical. Common uses include automotive, aerospace, and general manufacturing.
What are the specifications of the WIDIA GTD spiral flute tap?
This tap has a 7/16"-14 UNC thread size, H3 / 3B tolerance, 3 flutes, and a bottoming chamfer. The manufacturer part number is 19647. It is a general-purpose spiral-flute tap from WIDIA GTD, suitable for through or blind hole threading in a range of materials.
Where to buy WIDIA GTD taps in worldwide?
3G Electric supplies WIDIA GTD 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. We source and deliver genuine WIDIA GTD tooling to support your production needs.
How to select the right WIDIA GTD tap for blind holes?
For blind holes, choose a spiral flute tap like this WIDIA GTD model with a bottoming chamfer. The spiral flutes pull chips out of the hole, preventing packing. Ensure the thread size (7/16"-14 UNC) and tolerance (H3 / 3B) match your application. Consult WIDIA GTD's technical data for material-specific speeds and feeds.
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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.















