290 chain saw driven disc, MS290 clutch plate

290 chain saw accessories: oil pump, the driven disc, sprockets, guides, sub-round special treatment: The company specializes in producing high-quality saw oil pump, oil pump housing made of high wear-resistant, never deformation, a one-time die-cast zinc alloy molding, using the Japanese KN power head machining, finish reach .012. Pump seals with high temperature, oil, wear-resistant materials, at high speed does not wear out. Expansion. Gear material quality steel, with fully automatic CNC machining car dashboard, the new 3608 hobbing and refined, the spiral angle gear is more complex with the turbine. Gear vacuum heat treatment hardness of 52 degrees. So that products can really do wear, at high speeds will not change the flow of oil, truly durable lubricating effect, greatly improve the life of the chain, guide plate, can bring some unnecessary for users loss, let chain saw increase to a higher level and grade. Each product through special detection equipment testing to ensure that each product qualified factory