Application It can be used for hood installation, electrical box installation, pipe wall opening, air conditioning system installation, high-speed railroad roadbed construction, engineering bridge drilling, sewer drilling, and so on. It can be used in both indoor and air-outdoor environments and is suitable for drilling holes in concrete, cured concrete, hard masonry, brick, asphalt pavement, solid cement, mortar, and stone. Specification Color: Red Teeth Type: Flat Teeth, Great Wall Teeth Specification: M22 Wall Thickness: 4mm/0.16in Effective Drilling Depth: Approx. 410mm/16.14in Product Size(D*H): 11.2*45cm/4.41*17.72in Package Size: 48*14*15cm/18.9*5.51*5.91in Gross Weight: 3.55kg/7.83lbs Package Included 1* Core Drill Bit .
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