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Frequently Asked Questions
What is the WIDIA GTD Tap Kit #2-56 UNC used for?
This three-piece hand tap set is used for creating #2-56 UNC threads in metal. It includes taper, plug, and bottoming taps for progressive threading in through-holes and blind holes. Common in automotive, aerospace, and general manufacturing applications.
What are the specifications of the WIDIA GTD Tap Kit 15137?
The kit includes one each taper (4HF49), plug (4HF50), and bottoming (4HF51) tap. All taps are #2-56 UNC, H2 tolerance, 3 flute, high speed steel. The manufacturer part number is 15137. These are hand taps for manual or machine use.
Where to buy WIDIA GTD Tap Kit 15137 worldwide?
3G Electric supplies the WIDIA GTD Tap Kit 15137 worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the right WIDIA GTD tap for a blind hole?
For blind holes, use the bottoming tap (4HF51) from this kit to thread to the bottom. Start with the taper tap (4HF49) for alignment, then the plug tap (4HF50), and finish with the bottoming tap. Always use cutting fluid and proper tap alignment.
Used in
Common applications for WIDIA GTDWIDIA GTD Products
3G Electric supplies WIDIA GTD three-piece hand tap sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















