WIDIA GTD Spiral Point Tap: 5/16"-18 UNC, H1, 2 Flute, Plug Chamfer, High Speed Steel (MPN 13289)
The WIDIA GTD Spiral Point Tap (5/16"-18 UNC) is a general-purpose spiral-point tap with an H1, plug chamfer, high-speed steel construction and 2 flutes (MPN 13289). 3G Electric interprets this demand and sources the…
SKU 3G-OTH-215901
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Product Description
The WIDIA GTD Spiral Point Tap (5/16"-18 UNC) is a general-purpose spiral-point tap with an H1, plug chamfer, high-speed steel construction and 2 flutes (MPN 13289). 3G Electric interprets this demand and sources the genuine OEM part, supporting your machining operations across 14 industrial departments — with specialist depth in combustion, pumps and controls.
Frequently Asked Questions
What is the WIDIA GTD spiral point tap 13289 used for?
The WIDIA GTD spiral point tap 13289 is used for through-hole threading in ferrous and non-ferrous materials. Its spiral point design pushes chips forward, preventing chip clogging and enabling faster tapping cycles in production environments.
What are the specifications of the WIDIA GTD tap 13289?
The WIDIA GTD tap 13289 is a 5/16"-18 UNC spiral point tap with H1 tolerance, 2 flutes, and a plug chamfer. It is made of high-speed steel (HSS) and is designed for general-purpose through-hole threading in industrial applications.
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 facility. Contact us for availability and lead time on the 13289 model.
How to select the right WIDIA GTD tap for a job?
Select a WIDIA GTD tap based on thread size, pitch, material, and hole type. For through holes, use a spiral point tap like the 13289. Match the chamfer type (plug, bottoming, or taper) to the hole depth and material hardness for optimal thread quality.
Used in
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.














