WIDIA GTD Spiral Flute Tap: 3/8"-16 UNC, H3 / 3B, 3 Flute, Plug Chamfer
The WIDIA GTD Spiral Flute Tap (3/8"-16 UNC) is a general-purpose spiral-flute tap with H3 / 3B tolerance, plug chamfer, and TiN-coated high-speed steel construction. It features 3 flutes and is identified by…
SKU 3G-OTH-230896
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Product Description
The WIDIA GTD Spiral Flute Tap (3/8"-16 UNC) is a general-purpose spiral-flute tap with H3 / 3B tolerance, plug chamfer, and TiN-coated high-speed steel construction. It features 3 flutes and is identified by manufacturer part number 19641.
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 materials such as steel, stainless steel, and aluminum. Its spiral flute design pulls chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the WIDIA GTD tap 19641?
The WIDIA GTD tap model 19641 has a 3/8"-16 UNC thread size, H3 / 3B tolerance, 3 flutes, a plug chamfer, and a TiN coated high-speed steel construction. It is designed for general purpose threading in blind holes and is suitable for a range of materials.
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 location. Contact us for availability and lead times on the 19641 model.
How to select the right WIDIA GTD tap for blind holes?
For blind holes, choose a spiral flute tap like the WIDIA GTD 19641, which evacuates chips upward. Match the thread size (e.g., 3/8"-16 UNC) and tolerance (H3 / 3B) to your application. Consider coating (TiN for steel) and chamfer type (plug for general use).
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.

