TS125 - Tempilstik 125F Temperature Crayon

The Welder's Choice for Fast Preheat Checks

When you are out in the shop or on the job site, you don't have time to fiddle with delicate electronics or wonder if your batteries are dead. You need to know if your steel is hot enough to weld, right now. The Tempilstik 125°F (52°C) is the legendary "temp stick" that welders have trusted for decades. It is rugged, simple, and it works every single time. If you are dealing with cold plate or need to drive off moisture before striking an arc, this stick is your go-to tool.

Using the Tempilstik TS125 is as easy as drawing a line. Simply stroke the workpiece during heating. When the chalky mark turns into a liquid smear (melts), you know you have hit 125°F. It is that simple. This specific temperature is commonly used for minimum preheat on various mild steels to prevent cracking and ensure a quality weld deposit. The stick comes in a metal holder that protects it from breaking in your pocket and has a clip so it stays put when you are climbing around structures.

Why guess when you can be sure? An under-heated part can lead to failed welds, rework, and lost money. The Tempilstik gives you a visual guarantee that you are in the zone. It is cheaper than a pyrometer, tougher than a thermometer, and more reliable than the "hand hover" test. Plus, it's made in the USA and meets all the major welding codes, so your inspector will be happy too.

Key Features for Welders

• Instant Results: Mark melts instantly when 125°F is reached.
• Easy to Use: Works like a crayon; no training needed.
• Rugged Design: Metal holder protects the stick in your toolbox.
• Code Compliant: Meets AWS D1.1 requirements for preheat verification.