OD 10-150mm Quality Pure Copper Thread Brass Balls M3/M4/M5/M6/M10 Solid Half-Hole Balls Blind Hole 12/15/18/20/25/30/40/50/80mm

OD 10-150mm Quality Pure Copper Thread Brass Balls M3/M4/M5/M6/M10 Solid Half-Hole Balls Blind Hole 12/15/18/20/25/30/40/50/80mm

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