Check the listing for details. 0.5mm Brass (H62) Solid Balls Loose Bearing Ball High Precision. Color: Brass original, Condition: New. Listed at 3.75 USD. Condition 100% Brand New In Stock YesBall Diameter 0.5mmBall Material Brass ( H62 )Tolerance +/- 0.01mm These brass balls show fairish mechanical performance, good corrosion resistance, excellent electrical properties. They generate low frictionsand are provided in the passivated condition. Applications include special valves, industrial pumps and valves, electronic devices, safety switches, heating units, appliances, furniture rails.They are widely used in the automotive, electronic and petrochemical industry. Good corrosion resistance in drinking-water, brackish water, sea-water (except at high flow rate), salt atmospheres, petroleum products, alcohols.Fairish resistance with respect to acids and alkali. It does not resist in contact with hydroxides, cyanides, oxidizing acids. As a general rule,corrosion resistance decreases as zinc content increases. Hardness: Rockwell B75-87 measured on parallel flats. CopperLeadIronZinc60.5% ~ 63.5%.07% max.05% maxremainder Worldwide shipping. Your item will be shipped within 24 Hours of the payment being received. Items are normally shipped that day if payment is received before 17:00 pm Monday thru Friday. Payments received after 17:00 pm on Friday will be shipped the following Monday. We shipitems daily to assure quick delivery. Your satisfaction and positive feedback means everything to us. Please leave feedback and 5 stars if you are satisfied with our items and services. If you have any problems, please Contact Us or Ask a question freely before leaving feedback. We'll make every effort to solve any problems and provide you with satisfied solution. 100% satisfaction guaranteed! Any good pieces of advice is welcome and highly appreciated! Larger orders more than 10,000 PCS, or you need other steel criteria, other diameters as ranging from 0.3mm ~ 60mm, please click Contact Us or Ask a question now! We'd love to accept all the inquiries and satisfy every customer's requirements with high quality, good price and fast delivery!