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Top rated tungsten spheres
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Best overall
Matsci Tungsten Spherical Balls 1/4" (6.35 mm) - 200 pcs
High purity (99.95%) tungsten spheres with tight tolerance, ideal for balance weights and radiation shielding.
- 99.95% purity
- tight +/-0.02mm tolerance
- excellent machinability
- higher price
- limited pack size
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Best for labs Midwest Tungsten ServiceFisher Scientific Tungsten Spheres 3mm - 500 g
Certified analytical grade tungsten spheres for precision experiments.
- analytical grade
- consistent size
- certified traceability
- small pack
- shipping weight
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Best budget Midwest Tungsten Service
American Tungsten Tungsten Spheres 1/8" - 1000 pcs
Cost-effective spheres with 99.9% purity for hobby and low-stress applications.
- affordable
- large quantity
- good hardness
- slightly lower purity
- size variance up to +/-0.05mm
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Best for heavy duty
Klein Tungsten Spherical Media 5mm - 2 kg
Large diameter spheres for impact testing and high-density packing.
- high density
- 5mm size
- robust packaging
- heavy
- bulk shipping
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Best for precision grinding Midwest Tungsten Service
Eagle Material Tungsten Spheres 0.5mm - 5kg
Ultra-fine spheres used in abrasive media and polishing.
- ultra-fine
- uniform size
- low contamination
- expensive per gram
- requires careful handling
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Best for vacuum applications Midwest Tungsten Service
Kurt J. Lesker Tungsten Spherical Balls 2mm - 250 pcs
Low outgassing tungsten spheres suitable for high-vacuum environments.
- low outgassing
- 2mm precise
- high melting point
- moderate price
- limited availability