WIDIA GTD Spiral Point Tap: 5/16"-18 UNC, H2, 2 Flute, Plug Chamfer, High Speed Steel (MPN 13290)
The WIDIA GTD Spiral Point Tap (5/16"-18 UNC) is a general-purpose spiral-point tap with an H2, plug chamfer, high-speed steel construction and 2 flutes (MPN 13290). 3G Electric interprets customer demand and…
SKU 3G-OTH-216346
Need installation or engineering help?
Ask a question
Product Description
The WIDIA GTD Spiral Point Tap (5/16"-18 UNC) is a general-purpose spiral-point tap with an H2, plug chamfer, high-speed steel construction and 2 flutes (MPN 13290). 3G Electric interprets customer demand and delivers this genuine industrial cutting tool across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor, not a limit.
Frequently Asked Questions
What is the WIDIA GTD spiral point tap used for?
The WIDIA GTD spiral point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral point pushes chips ahead, reducing clogging and breakage. Common applications include automotive, aerospace, and general manufacturing where clean, efficient threading is required.
What are the specifications of the WIDIA GTD spiral point tap 13290?
This WIDIA GTD tap has a 5/16"-18 UNC thread size, H2 tolerance, 2 flutes, and a plug chamfer. It is made from high-speed steel (HSS) and is designed for through-hole threading. The manufacturer part number is 13290, and it is classified as a general-purpose spiral-point tap.
Where to buy WIDIA GTD taps in worldwide?
3G Electric supplies WIDIA GTD taps worldwide, including the 13290 spiral point tap. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver to meet your threading needs.
How to select the right WIDIA GTD tap for a job?
Select a WIDIA GTD tap based on thread size (e.g., 5/16"-18 UNC), material type, and hole configuration. For through holes, a spiral point tap like the 13290 is ideal. Match the chamfer type (plug for general use) and tolerance (H2 for standard fits). Always verify the tap's HSS material suits your workpiece hardness.
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.














