WIDIA GTD Thread Forming Tap: 1/2"-20 UNF, H5 / 3B, Plug Chamfer, High Speed Steel (MPN 17051)
SKU 3G-OTH-237427
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Frequently Asked Questions
What is a WIDIA GTD thread forming tap used for?
A WIDIA GTD thread forming tap creates internal threads by displacing material rather than cutting it. It is ideal for ductile materials like aluminum, brass, and low-carbon steel, producing stronger threads with no chips. This 1/2"-20 UNF tap is common in automotive and general machining applications.
What are the specifications of the WIDIA GTD 17051 thread forming tap?
The WIDIA GTD 17051 is a 1/2"-20 UNF thread forming tap with an H5 / 3B tolerance, plug chamfer, and high-speed steel construction. It is designed for general-purpose use in through or blind holes, delivering precise thread dimensions in ductile materials.
Where to buy WIDIA GTD thread forming taps worldwide?
3G Electric supplies WIDIA GTD thread forming taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine WIDIA GTD taps like the 17051 model and deliver them to your facility, regardless of location.
How to select the right thread forming tap for a job?
Select a thread forming tap based on material type, thread size, and tolerance class. For ductile materials like aluminum, use a plug chamfer tap with H5 tolerance for 3B fit. Ensure the tap matches the hole size and thread pitch, such as 1/2"-20 UNF for standard applications.
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Common applications for WIDIA GTDWIDIA GTD Products
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.















