WIDIA GTD Pipe and Conduit Thread Tap: 3/8"-18 NPTF, H4, 4 Flute, Plug Chamfer
The WIDIA GTD Pipe and Conduit Thread Tap (3/8"-18 NPTF, MPN 16220) is a high-speed steel pipe tap for aluminum, featuring an H4 tolerance, plug chamfer, and 4-flute design. 3G Electric interprets your demand for…
SKU 3G-OTH-244579
Need installation or engineering help?
Ask a question
Product Description
The WIDIA GTD Pipe and Conduit Thread Tap (3/8"-18 NPTF, MPN 16220) is a high-speed steel pipe tap for aluminum, featuring an H4 tolerance, plug chamfer, and 4-flute design. 3G Electric interprets your demand for this specific threading tool, sourcing it from our global supply network and supporting your industrial operations across 14 departments — with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the WIDIA GTD 16220 pipe tap used for?
The WIDIA GTD 16220 is a 3/8"-18 NPTF pipe and conduit thread tap designed for creating tapered threads in aluminum and other non-ferrous materials. It is commonly used in plumbing, pneumatic, and hydraulic systems where leak-proof connections are required. The H4 tolerance and plug chamfer ensure precise thread depth and smooth chip evacuation.
What are the specifications of the WIDIA GTD 16220 tap?
The WIDIA GTD 16220 is a high-speed steel pipe tap with a 3/8"-18 NPTF thread size, H4 tolerance, 4 flutes, and a plug chamfer. It is designed for threading aluminum and non-ferrous materials. The manufacturer part number is 16220, and it is part of the WIDIA GTD product line.
Where to buy the WIDIA GTD 16220 pipe tap worldwide?
You can source the WIDIA GTD 16220 pipe tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine WIDIA GTD tooling for industrial applications.
How to select the correct WIDIA GTD tap for aluminum threading?
For aluminum threading, select a tap with a plug chamfer and H4 tolerance like the WIDIA GTD 16220 to ensure proper thread fit and chip clearance. Use appropriate cutting fluid to reduce friction and prevent galling. Always match the tap size to the required NPTF thread standard for leak-proof connections.
Used in
Common applications for WIDIA GTDWIDIA GTD Products
3G Electric supplies WIDIA GTD pipe taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















