1-50pcs M8 Thread Balls OD 15/16/17/18~200mm 304 Stainless Steel Half Hole Balls Drilling Ball Blind Hole Metric Female Thread

1-50pcs M8 Thread Balls OD 15/16/17/18~200mm 304 Stainless Steel Half Hole Balls Drilling Ball Blind Hole Metric Female Thread

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