WIDIA GTD Thread Forming Tap: 1/2"-20 UNF, H5 / 3B, Bottoming Chamfer, High Speed Steel (MPN 17266)
SKU 3G-OTH-236293
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Frequently Asked Questions
What is the WIDIA GTD Thread Forming Tap 17266 used for?
The WIDIA GTD Thread Forming Tap 17266 is used to create internal threads in metal workpieces without cutting material. It is ideal for applications requiring strong, burr-free threads in ductile materials like aluminum, brass, and low-carbon steel, commonly in automotive and general manufacturing.
What are the specifications of the WIDIA GTD Thread Forming Tap 17266?
This tap has a 1/2"-20 UNF thread size, H5 / 3B tolerance class, and a bottoming chamfer for threading to the bottom of blind holes. It is made from high-speed steel (HSS) and carries the manufacturer part number 17266. It is designed for general-purpose thread forming.
Where to buy WIDIA GTD Thread Forming Tap 17266 worldwide?
You can source the WIDIA GTD Thread Forming Tap 17266 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this item.
How to select the correct WIDIA GTD thread forming tap for my application?
Select based on thread size (e.g., 1/2"-20 UNF), material type, and hole configuration. For blind holes, choose a bottoming chamfer tap like the 17266. Ensure the tap's H5 / 3B tolerance matches your required thread class. Consult WIDIA GTD's technical data for material-specific speeds and lubrication.
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3G Electric supplies WIDIA GTD general purpose thread-forming taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















