

HIT981840 (also known as HIT-981840 or 981840) is a specific type of specialized maintenance grease for the internal mechanisms of hammer drills, rotary hammers, and demolition hammers, specifically those branded under Hitachi, Hikoki, Metabo HPT, and Tanaka. It typically comes in a small, portable 30g (0.1 lb) tube.
HIT981840 Function:
This grease (classified as "Grease A") reduces friction in the tool's impact mechanism, which enhances tool performance, prevents overheating, and extends the lifespan of the equipment.