9.5 mm Chrome Steel Ball Grade 25, Package of 100 Balls.

$ 39.00

These are 9.5 mm diameter precision balls. They are made using type 52100 chrome steel. They are Grade 25.

The G
rade number refers to the diametral tolerance per millionth of an inch. A grade 25 ball is accurate to 25/1,000,000 of an inch.

Package of 100.


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