Transkoot 347 pieces(30 Size) from 3mm to 44mm Nitrile Rubber NBR O-Ring Gasket Ring Assortment Kits

Transoft 347 pieces(30 Size) from 3mm to 44mm Nitrile Rubber NBR O-Ring Gasket Ring Assortment Kits Total: 347 pieces/box Material: The O-rings are made of high quality Buna NBR. Put our kits to the  test on your next fluid repair. Quantity: This variety pack includes 347pcs 30 common metric sizes from 3mm to 44mm. Application: This set has various uses; Prevent leaks in pneumatic repairs, plumbing, Industry, automation, machinery, hydraulic, and; provide secure seals for any oil, air, gas, and water seal .etc.   O-rings provide a pressure and fluid seal between cylindrically shaped, overla -pping mating surfaces and are commonly seen in engines, faucets, flanges, valves, and various cylinders. They are circular in shape, with a round cross section, and a hole in the center, similar to a doughnut. O-rings are available in various AS568A dash sizes as well as Metric sizes. O-ring size is defined by the inside diameter (ID), outside diameter (OD),and cross-sectional (CS) diameter.