4 Piece Wet Diamond Core Drill Set, 1.7'', 2.5'', 3.5'', 4.5'' Arbor, 14mm Section Height 10mm Bit Height, for Concrete Granite Brick Marble Drilling and Chiseling

Application:ØIntended fordrilling hard concrete, block, brick, masonry, and the like materialsØIt is suitable for drilling and coring of reinforced concrete, brick wall drilling, air conditioning installation, pipe, road signs drilling, expressway and other outdoor projects.ØThis product is tested, thickness of 220mm cement block, inside four 14mm steel bar, play throughabout need 4 minutes, can play 40 holes. Hand-held drilling machineneed 3-4 minutes to play through the brick wall(only forreference, different operating conditions will affect the bitworkinglife)Specifications:ØSegment height: 10mmØBit Diameter 44mm(1.73"), 63.5mm(2.5"), 88.9mm(3.5"), 112mm(4.4")ØBit Length:450mmØAmerican thread,1-1/4”, no adapter requiredØProduct weight：8.4kgFeatures:ØExcellent choice for all type of general drillingØIdeal for plumbers, electricians or general contractorsPackage included:4 x Wet Diamond Core Drill Bit(1.73”,2.5”,3.5”, 4.4”)Notice: ØDrilling method: use WET onlyØRhinestones: In the use of the process must be added water, should be drilled to dig core engineering, the proposed matching fixed or hand-held drilling rigØInstall the bit: first check the spindle has no swing, electrical and mechanical parts are normal, on the bit to ensure that the drill and drilling rig clamping, and maintain concentricØPlease allow 1-3cm error due to manual measurement.Pls make sure you do not mind before you bid.ØThe color may have different as the difference display, pls understand.

• 【1.5-4.5" OPENERS】Excellent choice for all type of general drilling,ideal for plumbers, electricians or general contractors.
• 【SPECIFICATIONS】Segment height: 10mm.Bit diameter :44mm(1.73"), 63.5mm(2.5"), 88.9mm(3.5"), 112mm(4.4").Bit length:450mm.American thread,1-1/4”, no adapter required.Product weight：8.4kg.
• 【OPENING TIME】This product is tested, thickness of 220mm cement block, inside four 14mm steel bar, play through about need 4 minutes, can play 40 holes. Hand-held drilling machine need 3-4 minutes to play through the brick wall (only for reference, different operating conditions will affect the bit working life).
• 【INSTALL THE BIT】First check the spindle has no swing, electrical and mechanical parts are normal, on the bit to ensure that the drill and drilling rig clamping, and maintain concentric.
• 【NOTICE】Rhinestones: In the use of the process must be added water, should be drilled to dig core engineering, the proposed matching fixed or hand-held drilling rig.