M4 M5 Half-hole Thread Ball Bearing Round Balls Dia 8mm-60mm 304 Stainless Steel

This Ball Is a Thread Hole Drilled on a Solid Stainless Steel Ball. ●Material: 304 Stainless Steel （A2 Stainless Steel ）. 304 Stainless Steel Ball Is Currently the Most Widely Used Steel Ball on the Market.

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