【Size】 Diameter 9/32 inch(7.145mm), Package includes 50 pieces ball.
【Material】440C Stainless steel balls afford the advantage of maximum hardness (58-65 Rockwell C ) combined with corrosion-resisting properties making them especially useful for bearing applications in severe environmental condition.
【Smooth surface】 Fine grinding to ensure that each steel ball is uniform in size. The surface of the steel ball is very smooth,easy to shape without cracks.
【Features】The product has high precision and small tolerance, suitable for many occasions and different precision requirements.
【Application】widly used for bicycles, valve pumps, spray paint bottles, agitation, sprinkling systems, appliance components, casters, drawer slides, locking mechanisms, semi-precision bearings, and lots of other industrial products and home DIY