WIDIA GTD Spiral Flute Tap: 5/8"-11 UNC, H3 / 3B, 4 Flute, Bottoming Chamfer
The WIDIA GTD Spiral Flute Tap (5/8"-11 UNC, MPN 16048) is a high-speed steel bottoming-chamfer tap with H3 / 3B tolerance and 4 flutes, designed for threading aluminum. 3G Electric interprets your demand for this…
SKU 3G-OTH-232821
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Product Description
The WIDIA GTD Spiral Flute Tap (5/8"-11 UNC, MPN 16048) is a high-speed steel bottoming-chamfer tap with H3 / 3B tolerance and 4 flutes, designed for threading aluminum. 3G Electric interprets your demand for this OEM-specified tool, sources it across our 14 industrial departments, and supports your operation with specialist expertise in machining and controls.
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 aluminum and non-ferrous materials. 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 spiral flute tap?
This tap has a 5/8"-11 UNC thread size, H3 / 3B tolerance, 4 flutes, and a bottoming chamfer. It is made from high-speed steel (HSS) and is suitable for threading blind holes in aluminum. The manufacturer part number is 16048.
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 times on this and other WIDIA GTD tooling.
How to select the correct WIDIA GTD tap for aluminum?
For aluminum, choose a spiral flute tap with a bottoming chamfer to thread blind holes. Ensure the tap has a H3 / 3B tolerance class for precise fit. The 5/8"-11 UNC size matches standard UNC threads. Always match the tap material (HSS) to the workpiece hardness.
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Common applications for WIDIA GTDWIDIA GTD Products
3G Electric supplies WIDIA GTD spiral-flute taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














