Koncocoo

Best Industrial Gems Raw Materials

Synthetic Ruby Sphere, Grade 25, 0.2187" Diameter (Pack of 1)
Characteristics such as extreme hardness, wear resistance, non-corrosiveness and chemical inertness make Synthetic Ruby Balls suitable for anti-friction bearings, contact points, ball and valve seats, linear slides, gyroscopes and probe points. Enter your model number to make sure this fits.
Reviews
"It is kind of cool and my daughter loved it."
"It looked pretty so I bought it."
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Synthetic Ruby Sphere, Grade 25, 0.2500" Diameter (Pack of 5)
Characteristics such as extreme hardness, wear resistance, non-corrosiveness and chemical inertness make Synthetic Ruby Balls suitable for anti-friction bearings, contact points, ball and valve seats, linear slides, gyroscopes and probe points. Enter your model number to make sure this fits.
Reviews
"It is kind of cool and my daughter loved it."
"It looked pretty so I bought it."
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Synthetic Sapphire Ball, Grade 25, 0.1094" Diameter (Pack of 1)
Like ruby, sapphire is an ultra-hard, mono-crystalline, chemically inert material.
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Best Ceramics Raw Materials

Glass-Mica Ceramic Round Rod, Opaque White, 3/4" Diameter, 6" Length (Pack of 1)
Applications include ultra-high vacuum environments, constant vacuum applications, nuclear-related experiments, welding nozzles, and medical equipment.
Reviews
"I accidentally snapped the rod twice while I was trying to wind it with resistance wire."
"Arrived quickly, price is very fair for the quality of the ceramic."
"I am using these in my rda in 3/8" sections on a quad coil series parallel circuit."
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