WIDIA GTD Spiral Flute Tap: 1/2"-13 UNC, H3 / 3B, 3 Flute, Plug Chamfer
The WIDIA GTD Spiral Flute Tap (1/2"-13 UNC, MPN 16039) is a high-speed steel tap with H3 / 3B tolerance, a 3-flute design, and a plug chamfer, engineered for threading aluminum. 3G Electric interprets your demand…
SKU 3G-OTH-232877
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Product Description
The WIDIA GTD Spiral Flute Tap (1/2"-13 UNC, MPN 16039) is a high-speed steel tap with H3 / 3B tolerance, a 3-flute design, and a plug chamfer, engineered for threading aluminum. 3G Electric interprets your demand for this specific OEM tool, sourcing it across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.
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 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 machining applications where precision threading is required.
What are the specifications of the WIDIA GTD spiral flute tap?
This WIDIA GTD tap has a 1/2"-13 UNC thread size, H3 / 3B tolerance, 3 flutes, and a plug chamfer. It is made from high-speed steel (HSS) and is optimized for threading aluminum. The manufacturer part number is 16039, and the SKU is 1TRK3.
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. We supply genuine WIDIA GTD tooling for industrial applications.
How to select the right WIDIA GTD tap for aluminum?
For aluminum, choose a spiral flute tap with a plug chamfer and H3 tolerance for blind holes. The 1/2"-13 UNC size matches standard UNC threads. Ensure the tap is HSS for durability. WIDIA GTD taps are designed for aluminum, but always match the tap to your material and hole type for best results.
Used in
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.














