YZH 100L Carbide Twist Drill Diameter D1.5-D9.5 Solid Tungsten Bits HRC50/55/65 CNC Straight Handle Drilling Hole For Metal

YZH 100L Carbide Twist Drill Diameter D1.5-D9.5 Solid Tungsten Bits HRC50/55/65 CNC Straight Handle Drilling Hole For Metal

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