balls?

Mcmastercarr.com You'll have to do a search I can't seem to link directly.
A lot cheaper than I thought.
 
yeah once you are in that's it.... try this


Unpolished (Mill)

Reflective
Tolerance Standard: Material is manufactured to a nominal dimension according to commonly accepted tolerances. Example: 1/4" Diameter ±.002".
Precision-Ground: Material is ground to closer tolerances to the nominal dimension than standard. Example: 1/4" Diameter ±.001".
Specifications Met American Society for Testing and Materials (ASTM) | Not Rated These 4 products match your selections
Finish/Coating Tolerance Specifications Met High-Strength Stainless Steel (Type 302)
Reflective Standard Not Rated 9291K35 $10.21 per Pack of 15
Super Corrosion-Resistant Stainless Steel (Type 316)
Unpolished (Mill) Standard American Society for Testing and Materials (ASTM) 96415K79 $9.92 per Pack of 10
Ultra-Hard Wear-Resistant Stainless Steel (Type 440C)
Unpolished (Mill) Standard American Society for Testing and Materials (ASTM) 9529K22 $12.96 per Pack of 25
Reflective Precision-Ground American Society for Testing and Materials (ASTM) 9642K57 12.18 per Pack of 10
 
there rotating weights in rc rock crawlers for these wheels...the guy who designs and makes them was briliant in the idea...but didnt think about the crawlers getting wet and used steel balls instead of stainless....sooo wet = rusting sticking and then stuck balls

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