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Glass Tile Marble Hole Drill Bit Set (20PCS)


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  • SMALL INCISION: Small incision resistance, opening rate is quick, simple elimination of chips, and also other advantages. Also, aid to open accurately. Huge chip holes to guarantee that when the punching smooth, punching precise.
  • DURABLE: Nickel-plated with diamond dust finishing uses remarkable performance and reducing strength. Extended life span. These ruby drill bits are high quality and also good performance that exceptional for making a clean and also accurate opening.
  • OPTIMAL FOR: This diamond covered core drill bit eliminates a total circle from glass, marble, floor tiles, granite, ceramic or other. Reduced drill rates, low drill pressure, and raised water use lubrication will prolong drill bit life substantially.


POINTER: Can be made use of with a common electric drill, Constantly make use of lubrication (water), otherwise the ruby core drill will certainly melt. Cautions: Not for use on Concrete or for depths beyond about 2"; Water is needed for lubrication when drilling.

20 DIMENSIONS: Pick from 20 typical sizes (4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 26mm, 28mm, 30mm, 32mm, 35mm, 38mm, 40mm, 50mm). Different sizes to meet your different needs, help you in different locations.


  • Bundle Size: 10.5 X 7 X 5.5 centimeters.
  • Item Sizes: 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 26mm, 28mm, 30mm, 32mm, 35mm, 38mm, 40mm, 50mm) to satisfy the demands.
  • Weight: 150g.
  • Item Has: 1 X Glass Tile Marble Hole Drilling Bit Establishes (10PCS).

    More Pointers
    a. Can be utilized with conventional electric drill.
    b. Do not use it in concrete or in places where the depth surpasses 1/2".
    c. Begin boring diagonally, make a round trace and afterwards to correct the alignment of the drill bit.
    d. Always utilizes water for lubrication, otherwise the ruby hollow drill will certainly burn.
    e. Minimizing the drilling speed, decreasing the boring weight as well as increasing the use of water lubrication will significantly expand the life span of the drill bit.

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