WIDIA GTD Spiral Flute Tap: 1/4"-18 NPTF, 4 Flute, Taper Chamfer, Cobalt (MPN VTSFT8504)
SKU 3G-OTH-275127
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Frequently Asked Questions
What is the WIDIA GTD spiral flute tap used for?
The WIDIA GTD spiral flute tap is designed for threading tapered pipe threads in materials like steel and stainless steel. Its spiral flute design helps evacuate chips upward, making it ideal for through-hole applications in industrial piping, hydraulic systems, and mechanical assemblies.
What are the specifications of the WIDIA GTD spiral flute tap?
This tap has a 1/4"-18 NPTF thread size, 4 flutes, and a taper chamfer. It is made from cobalt high-speed steel for durability. The manufacturer part number is VTSFT8504. It is designed for NPTF (dryseal) pipe threads, ensuring leak-resistant connections in metalworking.
Where to buy WIDIA GTD spiral flute taps worldwide?
3G Electric supplies WIDIA GTD spiral flute taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on the VTSFT8504 tap.
How to select the right WIDIA GTD tap for pipe threading?
Select based on thread type (NPTF for dryseal), material (cobalt for hard metals), and flute design (spiral for through-holes). The 1/4"-18 size fits standard pipe fittings. For blind holes, consider a plug chamfer. Always match the tap to your workpiece hardness and thread depth.
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Common applications for WIDIA GTDWIDIA GTD Products
3G Electric supplies WIDIA GTD spiral-flute pipe taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















