WIDIA GTD Straight Flute Tap: 5/16"-24 UNF, 3BX, 4 Flute
SKU 3G-OTH-211124
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Frequently Asked Questions
What is the WIDIA GTD Straight Flute Tap used for?
The WIDIA GTD Straight Flute Tap is designed for threading aluminum and non-ferrous materials. Its 3BX geometry and semi-bottoming chamfer provide efficient chip evacuation in through-hole or blind-hole applications, commonly used in automotive, aerospace, and general manufacturing.
What are the specifications of the WIDIA GTD Straight Flute Tap?
This tap has a 5/16"-24 UNF thread size, 3BX geometry, 4 flutes, and a semi-bottoming chamfer. The manufacturer part number is GT40. It is a straight-flute machine tap optimized for aluminum, ensuring precise thread formation in production environments.
Where to buy WIDIA GTD taps in worldwide?
3G Electric supplies WIDIA GTD 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 GT40 tap or other WIDIA GTD tooling.
How to select the correct WIDIA GTD tap for aluminum?
For aluminum, choose a tap with 3BX geometry and a semi-bottoming chamfer like the GT40. Ensure thread size (5/16"-24 UNF) matches your application. Use proper cutting fluid and speed to extend tool life. Consult WIDIA GTD's technical guides for optimal parameters.
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Common applications for WIDIA GTDWIDIA GTD Products
3G Electric supplies WIDIA GTD straight-flute machine taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













