WIDIA GTD Spiral Flute Tap: 5/16"-24 UNF, H5 / 2B, 3 Flute, Bottoming Chamfer
The WIDIA GTD Spiral Flute Tap (5/16"-24 UNF) is a general purpose spiral-flute tap with an H5 / 2B tolerance, bottoming chamfer, black oxide cobalt finish, and 3 flutes (MPN 5390238). 3G Electric interprets this…
SKU 3G-OTH-230919
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Product Description
The WIDIA GTD Spiral Flute Tap (5/16"-24 UNF) is a general purpose spiral-flute tap with an H5 / 2B tolerance, bottoming chamfer, black oxide cobalt finish, and 3 flutes (MPN 5390238). 3G Electric interprets this demand and sources the exact OEM-specified tool, backed by specialist expertise across 14 industrial departments — and we supply far more than is listed.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the WIDIA GTD spiral flute tap used for?
The WIDIA GTD spiral flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the WIDIA GTD tap 5390238?
This WIDIA GTD tap has a thread size of 5/16"-24 UNF, with an H5 tolerance for 2B class fit. It features 3 flutes, a bottoming chamfer, and a black oxide cobalt finish. The manufacturer part number is 5390238. It is suitable for threading blind holes in ferrous materials.
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 this and other WIDIA GTD tooling.
How to select the right WIDIA GTD tap for blind holes?
For blind holes, choose a spiral flute tap like this WIDIA GTD model, which pushes chips out of the hole. Ensure the thread size (5/16"-24 UNF) matches your application, and select a bottoming chamfer for threading close to the hole bottom. The black oxide cobalt finish improves wear resistance in harder materials.
Used in
Common applications for WIDIA GTDWIDIA GTD Products
3G Electric supplies WIDIA GTD general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















