Hollow steel balls:

Hollow balls are typically used in aircraft ball transfer units(BTU''s), castors, hollow ball valves, ship cargo decks,palletizers, ball tables, conveyor systems, liquid float systemsand liquid stirring-up, etc.
Especially when light weight is necessary.
Low-grade hollow balls are maily used in decoration.

Materials: Stainless steels aisi 304, aisi 420, aisi 440a, aisi440c, etc;chrome steel, aluminium, etc.
Size:15mm-400mm(0.5" -16" );
Grade:40-1000;
Min wall thickness:0.5mm.
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