OP
Quoted from surfsled:
would love to see the casts for the molten steel balls and how they do it on like the History Channel or something like that. Would be Neat!

Search for how ball bearings are made.

LTG : )

#11 8 years ago

LTG

Pinside member

Hopkins, MN

12y 191K 56,991 24 7

OP
Quoted from surfsled:
would love to see the casts for the molten steel balls and how they do it on like the History Channel or something like that. Would be Neat!

Not cast or molten.

Starts at 1:59

LTG : )

#13 8 years ago

LTG

Pinside member

Hopkins, MN

12y 191K 56,991 24 7

OP
Quoted from surfsled:
Does anyone know the grade of Pinball Balls of Steel?

Grade 100 carbon steel.

LTG : )

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