WIDIA GTD Spiral Flute Tap: 5/16"-18 UNC, H3 / 3B, 3 Flute, Bottoming Chamfer (MPN 19637)
SKU 3G-OTH-230032
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Frequently Asked Questions
What is the WIDIA GTD spiral flute tap used for?
The WIDIA GTD spiral flute tap is used for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. It is ideal for automotive, aerospace, and general manufacturing applications requiring precise UNC threads.
What are the specifications of the WIDIA GTD spiral flute tap?
This WIDIA GTD tap has a 5/16"-18 UNC thread size, H3 / 3B tolerance, 3 flutes, and a bottoming chamfer. The manufacturer part number is 19637. It is designed for through-hole or blind-hole threading in materials up to 850 °C hardness, with a 24 VDC compatible coating for extended tool life.
Where to buy WIDIA GTD taps in worldwide?
You can source WIDIA GTD taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead times on the 19637 spiral flute tap.
How to select the right WIDIA GTD tap for my application?
Select a WIDIA GTD tap based on thread size, chamfer type, and material. For blind holes, use a bottoming chamfer like this 5/16"-18 UNC tap. Ensure the H3 / 3B tolerance matches your thread class. For harder materials, choose a spiral flute design to evacuate chips efficiently.
Used in
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.
