WIDIA GTD Spiral Point Tap: 1/4"-20 UNC, H3, 2 Flute, Bottoming Chamfer
The WIDIA GTD Spiral Point Tap (1/4"-20 UNC) is a general-purpose spiral-point tap with an H3 tolerance, bottoming chamfer, and 2-flute design in high-speed steel (MPN 13638). 3G Electric interprets customer demand…
SKU 3G-OTH-215554
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Product Description
The WIDIA GTD Spiral Point Tap (1/4"-20 UNC) is a general-purpose spiral-point tap with an H3 tolerance, bottoming chamfer, and 2-flute design in high-speed steel (MPN 13638). 3G Electric interprets customer demand and delivers this genuine industrial cutting tool across 14 industrial departments — and we supply far more than is listed — 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 blind or through holes in ferrous and non-ferrous materials. Its bottoming chamfer and 2-flute design push chips forward, making it ideal for production tapping in automotive, aerospace, and general manufacturing applications.
What are the specifications of the WIDIA GTD tap 13638?
The WIDIA GTD tap model 13638 is a 1/4\"-20 UNC spiral point tap with an H3 tolerance, 2 flutes, and a bottoming chamfer. It is made from high speed steel and is designed for general purpose threading. The manufacturer part number is 13638.
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 the WIDIA GTD spiral point tap model 13638.
How to select the right WIDIA GTD tap for UNC threads?
To select the right WIDIA GTD tap, match the thread size (e.g., 1/4\"-20 UNC) and chamfer type to your hole condition. For through holes, a spiral point tap with bottoming chamfer works well. Ensure the H3 tolerance fits your class of fit. Always use proper cutting fluid for high speed steel taps.
Used in
Common applications for WIDIA GTDWIDIA GTD Products
3G Electric supplies WIDIA GTD general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














