
When you are pushing 500 amps and welding thick plate, you need consumables that can take the heat. The 85Z17 Collet is your go-to holder for 5/32" (4.0mm) tungsten electrodes in WP-12 water-cooled torches. This isn't your standard hobbyist part; it is built for the heavy industrial welder who demands reliability when laying down serious beads on aluminum or heavy steel structures. If you are running a WP-12, you know that standard parts just don't fit—this collet is precision-made to match your specific torch geometry.
The job of the collet is simple but vital: it grabs your tungsten and transfers the welding current. If your collet is worn out, twisted, or burnt, you lose arc stability, your tungsten slips, and you end up fighting the puddle instead of controlling it. The 85Z17 is crafted from premium copper alloy to ensure maximum conductivity and a tight, secure grip every time you tighten that back cap. It is designed to handle the extreme heat cycles of water-cooled welding without losing its spring tension prematurely.
Whether you are working in a fabrication shop, a shipyard, or on a pipeline, having fresh collets in your kit is essential. A compromised collet can lead to poor starts and wandering arcs, which can ruin a critical weld. By keeping a stock of 85Z17 collets, you ensure that your WP-12 torch performs at its peak potential. This collet pairs perfectly with your 5/32" pure, thoriated, or lanthanated tungsten, giving you the confidence to crank up the amperage and get the job done right.
Don't let a cheap or worn-out consumable hold you back. Upgrade your front-end parts with the 85Z17 and experience the difference a solid electrical connection makes. It’s all about consistency, and this collet delivers it, weld after weld, hour after hour. Make sure your heavy-duty setup is ready for anything with the right parts for the job.
| Additional Information |
|---|
| Item:Collet |
| Style/Amps/Cooling:12 / 500 Amps / Water Cooled |
| Diameter:4.0 mm |
| Packaging Description:1-per-ea |
| Tungsten Diameter:5/32" (4.0mm) |
| Torch Compatibility:WP-12 Series, Water-Cooled 500A Torches |
| Material:Tellurium Copper |
| Part Type:Standard Collet |
| Brand:Generic |