Through-spindle coolant (TSC) delivers coolant under pressure straight through the center of the tool to the cutting edge, instead of spraying from outside. It flushes chips out of deep holes and pockets, cools the edge where it matters, and enables faster drilling and high-performance machining.
TSC is rated by pressure — from ~300 psi for chip evacuation up to 1000+ psi (high-pressure coolant) for the toughest materials and deep-hole work.
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