WIDIA GTD Spiral Point Tap: 1/2"-13 UNC, H11, 3 Flute, Plug Chamfer, High Speed Steel (MPN 13331)
The WIDIA GTD Spiral Point Tap (MPN 13331) is an oversized spiral-point tap in 1/2"-13 UNC, featuring an H11 plug chamfer, 3 flutes, and high-speed steel construction. 3G Electric interprets your demand for this…
SKU 3G-OTH-251351
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Product Description
The WIDIA GTD Spiral Point Tap (MPN 13331) is an oversized spiral-point tap in 1/2"-13 UNC, featuring an H11 plug chamfer, 3 flutes, and high-speed steel construction. 3G Electric interprets your demand for this specific OEM tool, sources it, quotes competitively, and supports your order across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor.
Frequently Asked Questions
What is the WIDIA GTD spiral point tap used for?
The WIDIA GTD spiral point tap is used for threading through-holes in materials such as steel and cast iron. Its spiral point design pushes chips forward, preventing clogging and enabling faster production threading in industrial manufacturing and maintenance applications.
What are the specifications of the WIDIA GTD spiral point tap?
This WIDIA GTD tap has a 1/2"-13 UNC thread size, H11 tolerance, 3 flutes, and a plug chamfer. It is made from high-speed steel and is an oversized spiral-point tap. The manufacturer part number is 13331.
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 time on this and other WIDIA GTD tooling.
How to select the correct WIDIA GTD tap for a job?
Select a WIDIA GTD tap based on thread size, tolerance class, chamfer type, and material. For through-holes, a spiral point tap like this 1/2"-13 UNC plug chamfer is ideal. Always match the tap's H limit to the required thread class and use appropriate cutting fluid for the workpiece material.
Used in
Common applications for WIDIA GTDWIDIA GTD Products
3G Electric supplies WIDIA GTD oversized spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.












