Tempilaq - Temperature Indicating Liquid - 450 F Tool Kits Welding This 1-3/16” annular drill bit

This 1-3/16” annular drill bit has been manufactured by Trak-Star

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reducing overall costs while maintaining rail in cold weather

Tempilaq - Temperature Indicating Liquid - 450 F Tool Kits Welding This 1-3/16” annular drill bitDescription 2 ounce bottle of temperature indicating liquid that verifies when both rail base and head have reached 400 degrees Fahrenheit for correct preheating temperature for proper thermite welding of the rail. Shop all our inventory of railroad track tools today. How it works: Before preheating begins, mark the rail base and rail head 2. 5 inches from the rail end. At this point, the lacquer appears as a grey ish color and dries almost instantly.