Description: PP plastic (also called polypropylene) is multi-purpose plastic and has established a position as an engineering plastic. Bearing balls are used in applications such as drawer slides, precision bearings, pumps and valves, check valves, flow meters, and measurement instruments that operate in aggressive environments. PP bearing balls are specially useful for makeup bottle, low load bearings, special valves, check valves, flotage valves, fluid level indicators, carburetors, flow meters, laboratory devices. Specification: Size: 1/2" (12.7)mm Tolerance: +/-0.05mm Material: PP (Polypropylene) Package Content: 5 Piece
