4.5Inch Wet Diamond Core Drill Bit Wet Core Bit Fits Hard Concrete/Block New Specifications： Segment height: 10mm Drill diameter：4.5"（114mm） Bit length: 16.5"(420mm)overall length Cutting depth: 13.8"(350mm) Thread size: 1-1/4" threads (American thread, no adapter required) Features: Intended for drilling hard concrete, block, brick, masonry, and the like materials Drilling method: use WET only Excellent choice for all type of general drilling Ideal for plumbers, electricians or general contractors For Wet Drilling in Wire Mash or Light Steel Reinforced Concrete with Medium Aggregate Packing list: 1x 4.5" Wet Diamond Core Drill Bit.
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