6PCS 4-Blade Saw Tooth Eccentric Drill Bit Four-Edge Serrated Drill Bits Alloy U

6PCS 4-Blade Saw Tooth Eccentric Drill Bit Hard Alloy Eccentric Twist Drill Bit High-Strength Four-Edge Eccentric Drill Bit 4/5/6/8/10/12mm Sawtooth Drilling Tools Professional Rotary Tool Accessory. Ideal for quick drilling in concrete, brick walls, and ceramics.

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