Coolant Lines - McMaster-Carr
Kits contain lengths of hose, nozzles, valves, and caps. 1/2" Loc-Line Coolant Hose. Build a custom 1/2" system to deliver coolant, cutting oil, water, or air in any direction. Silicone rubber gives this hose, often called radiator hose, the ability to handle high-heat conditions. High-Temperature Vacuum-Rated Coolant Hose.