Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. These balls are often used in bearings.

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The diameter on these balls is held to a precise tolerance. Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. These balls are often used in bearings.

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Low-carbon steel offers good machinability with excellent weldability. It's widely used for parts that don’t require high strength, such as spacers.

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Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.

Tungsten carbide, sometimes called carbide, is harder than Corrosion-Resistant Tungsten with excellent wear resistance. Use it to machine long-lasting tools, such as end mills and inserts.

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The most formable brass we offer, 260 offers better weldability than 300 series brass but it’s not as machinable. Sometimes called cartridge brass, it's commonly used for ammunition casings, radiator components, and decorative door hardware.

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Able to hold tight tolerances, these balls resist expanding when exposed to heat and moisture. They have a naturally slippery, wear-resistant surface. Use them for bearings and low-load rolling applications. Delrin® acetal resin is also known as acetal homopolymer.

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Resistant to swelling when exposed to water, these balls are often used in laboratory applications.

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Use these nylon 6/6 balls as bearings and in sealing applications. They have a slippery surface that reduces wear caused by friction.

Dimensionally stable and slippery, these balls are often used in high-friction applications, such as nonlubricated rollers and ball bearings.

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A lightweight alternative to glass balls, acrylic balls maintain clarity over time. They are scratch and UV resistant, so they stand up to outdoor use better than polycarbonate.

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Use these balls as seals in pumps and check valves or let them bounce inside of vibrating sifters for an effective screen cleaner. Buna-N is also known as nitrile, NBR, and acrylonitrile butadiene. It offers good resistance to petroleum-based oils.

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Seal out air and gas in high-temperature and high-wear applications. This ultrahard ceramic can also be used in applications that require superior strength.

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Often used to create bearings, silicon-nitride ceramic is harder than many types of bearing steel but is lightweight and can be easily polished. It also withstands high temperatures.

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