4Pcs Wet Diamond Core Drill Bit Hole Saw 44mm(1.73") 63.5mm(2.5") 88.9mm(3.5") 112mm(4.4") for Concrete Granite Brick Block Marble Drilling&Coring (US Stock)

Note: 1-1/4" thread, American thread, no need for converter. Advantage: USA Thread, No need adapter ! 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, no adapter required Features: Excellent choice for all type of general drilling Ideal for plumbers, electricians or general contractors Application: Intended for drilling hard concrete, block, brick, masonry, and the like materials. It is suitable for drilling and coring of reinforced concrete, brick wall drilling, air conditioning installation, pipe, road signs drilling, expressway and other outdoor projects. 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) Notice: Drilling method: use WET only. 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. 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. Package included: 4 x Wet Diamond Core Drill Bit (1.73”,2.5”,3.5”, 4.4”) Notice: 1、Please allow 1-3cm error due to manual measurement.Pls make sure you do not mind before you bid. 2、The color may have different as the difference display, pls understand.

• ★【Application】It is suitable for drilling and coring of reinforced concrete, brick wall drilling, air conditioning installation, pipe, road signs drilling, expressway and other outdoor projects.
• ★【Suitable for】Intended for drilling hard concrete, block, brick, masonry, and the like materials. Excellent choice for all type of general drilling. Ideal for plumbers, electricians or general contractors.
• ★【Bit Diameter】Bit Diameter * Bit Length: 44mm(1.73"), 63.5mm(2.5"), 88.9mm(3.5"), 112mm(4.4") Thread size: 22mm. USA Thread, No need adapter!
• ★【Features】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)
• ★【Note】1-1/4" thread, American thread, no need for converter.