Precision Glass Balls
Hartford Technologies manufactures precision glass balls from two materials, soda lime and borosilicate, for applications where corrosion resistance, lightweight performance, and cost stability are the primary requirements. Available in sizes from 3/32″ to 1.5″ in grades 100 through 1000. Balls available to cleanroom Class 10,000 standard.
Type of Balls We Manufacture
Compare Glass Ball Types
| Type | Continuous operating temp | Extreme temp limit | Thermal shock resistance | Chemical resistance | Electrical resistivity | Magnetic | Size range | Grades available |
|---|---|---|---|---|---|---|---|---|
| Soda Lime | 230°F | Not rated | Good | Good | Good | No | 3/32″ to 1.5″ | 100 to 1000 |
| Borosilicate | 450°F | 900°F | Excellent | Very high | Very high | No | 3/32″ to 1.5″ | 100 to 1000 |
Sizes, Grades and Tolerances
| Material | Smallest Standard Size | Smallest Standard Size | Largest Standard Size | Largest Standard Size | Best Standard Grade | Least Standard Grade | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Glass | |||||||||||
| Borosilicate Glass | 2mm | 3/32″ | 31.75mm | 1.5″ | 100 | 1000 | |||||
| Soda Lime Glass | 2mm | 3/32″ | 31.75mm | 1.5″ | 100 | 1000 | |||||
Why Choose Hartford Technologies for Glass Balls
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100+ years of precision supply
Trusted by OEMs in Aerospace, Medical, Automotive, and Industrial markets since 1926
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In-stock and ready to ship
Standard sizes available for immediate shipment. $400 minimum order for stock items.
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Custom Engineered Solutions
Complex assemblies and non-standard sizes are quoted individually.
Industries We Serve with Glass Balls
Precision glass balls from Hartford Technologies are specified across industries where corrosion resistance, non-magnetic properties, and cost stability are critical.
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Medical Devices
Valve applications, instrumentation, sterilizing equipment, blood-contact components
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Water Treatment
Bearings, pumps, valve seats, filtration equipment
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Instrumentation
Gauges, flow meters, measurement and calibration equipment
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Health and Beauty
Roll-on applicators, dispensing equipment, cosmetic mixing
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Pumps and Valves
Valve seats, pump components, check valves, flow control
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Chemical Processing
High chemical stability, acid and corrosive media, high-temperature processing Borosilicate
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Electronics
High electrical resistivity applications, dielectric components, precision assemblies
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Cleanroom Manufacturing
Semiconductor, medical, and precision manufacturing to 100,000 or 10,000 cleanroom standard
Lead Times and Minimum Order Value
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Standard in-stock components are available for immediate shipment. Lead times for non-stock and custom orders are determined based on specific part size, material, and required quantity.
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Hartford Technologies specializes in high-volume production runs and industrial applications. We have a $400 minimum order value for all standard in-stock bearing balls. For custom-engineered parts and assemblies, the minimum is determined by the complexity and volume of the specific requirement.
