WIDIA GTD Thread Forming Tap: #4-40 UNC, H5, Bottoming Chamfer, High Speed Steel (MPN 17215)
SKU 3G-OTH-236852
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the WIDIA GTD Thread Forming Tap #4-40 UNC used for?
This WIDIA GTD tap is used to form internal threads in ductile materials like aluminum, brass, and low-carbon steel. It is ideal for applications requiring strong, chip-free threads in automotive, aerospace, and general manufacturing. The bottoming chamfer allows threading close to the bottom of a blind hole.
What are the specifications of the WIDIA GTD Thread Forming Tap #4-40 UNC?
The WIDIA GTD tap has part number 17215, size #4-40 UNC, H5 tolerance, bottoming chamfer, and is made from high-speed steel. It is designed for thread forming in ductile materials, producing no chips. The H5 tolerance ensures precise thread fit for general-purpose applications.
Where to buy WIDIA GTD Thread Forming Tap #4-40 UNC worldwide?
You can source the WIDIA GTD Thread Forming Tap #4-40 UNC (MPN 17215) from 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.
How to select the correct WIDIA GTD Thread Forming Tap for my application?
Select based on material: use thread forming taps for ductile materials like aluminum or brass. Match the tap size (#4-40 UNC) and chamfer type (bottoming for blind holes, plug for through holes). Ensure H5 tolerance for standard fits. For harder materials, consider a cutting tap instead.
Used in
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.















