• Excellent choice for all type of general drilling.
  • Ideal for plumbers, electricians or general contractors.
  • 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..
  • Note: The thread diameter of the water drill is 22 mm. Please make sure your product can use 22MM thread diameter before your order..
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  • Imported from USA.
Specifications:  Segment height: 10mm  Bit Diameter * Bit Length:  56mm (2.2") x 370mm, 76mm(3") x 370mm,102mm(4")x 350mm ,120mm(5") x 350mm Thread size: 22mm Application:  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(2.2”,3”,4”, 5”) 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. Guarantee: Our products are shipped locally from the US, quickly arrived through UPS / USPS / FEXDE. If you have any questions, please contact us and we will respond to your information within 24 hours. If you are not satisfied with our products, we will accept your return and refund you