WIDIA GTD Spiral Point Tap: 3/8"-24 UNF, H3, 3 Flute, Plug Chamfer, High Speed Steel (MPN 13313)
SKU 3G-OTH-215307
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Frequently Asked Questions
What is a WIDIA GTD spiral point tap used for?
A WIDIA GTD spiral point tap is used for through-hole threading in production machining. Its spiral-point design pushes chips ahead, preventing clogging and enabling faster tapping in materials like steel, aluminum, and cast iron across automotive, aerospace, and general manufacturing.
What are the specifications of the WIDIA GTD 13313 tap?
The WIDIA GTD 13313 is a 3/8"-24 UNF spiral point tap with H3 tolerance, 3 flutes, plug chamfer, and high-speed steel construction. It is designed for through-hole threading and delivers consistent thread quality in production environments.
Where to buy WIDIA GTD taps worldwide?
3G Electric supplies WIDIA GTD taps worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we provide genuine WIDIA GTD tooling like the 13313 spiral point tap to manufacturers and maintenance teams internationally.
How to select the right spiral point tap for through holes?
Select a spiral point tap like the WIDIA GTD 13313 for through holes to push chips forward. Match thread size (3/8"-24 UNF), chamfer type (plug for general use), and material (HSS for steel). Ensure H3 tolerance for precision threads and 3-flute design for balanced cutting.
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Common applications for WIDIA GTDWIDIA GTD Products
3G Electric supplies WIDIA GTD general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













