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    Rubi 4970 Foragres Wet Diamond Drill Bit 20mm

    # 4970

    • FORAGRES diamond drill bits are ideal for drilling stoneware tiles, porcelain tiles and pieces of granite and marble.
    • Available in various diameters, from 20 to 120 mm. They are perfect for making holes in ceramic tiles during installation.
    • The FORAGRES range of diamond drill bits includes all the diameters needed to perform the most common drilling for water tapping points, sewers, electrical connections, etc.
    • The diamond rim of FORAGRES drill bits is sintered and joined to the drill bit body by laser welding.
    • FORAGRES diamond drill bits are ideal for drilling stoneware tiles, porcelain tiles and pieces of granite and marble.
    • Available in various diameters, from 20 to 120 mm. They are perfect for making holes in ceramic tiles during installation.
    • The FORAGRES range of diamond drill bits includes all the diameters needed to perform the most common drilling for water tapping points, sewers, electrical connections, etc.
    • The diamond rim of FORAGRES drill bits is sintered and joined to the drill bit body by laser welding.
    • FORAGRES diamond drill bits must ALWAYS be used water-cooled and with a non-percussive power drill.
    • The use of the MULTIDRILL centring guide (ref. 50944) is recommended for centring holes with a diameter of up to 83 mm.
    • For drilling holes with a diameter greater than 84 mm, the FORAGRES guide is recommended (ref. 50900).
    • The average life of the FORAGRES diamond drill bits is 60 holes and ALWAYS depends on the type of material, its thickness and proper cooling and use.
    • The drilling depth of the FORAGRES diamond drill bits is 30 mm (33 mm for diameters of 55 and 75 mm).
    • The maximum speed of use for FORAGRES diamond drill bits is 900 rpm except in diameters of 100 and 120 mm where the maximum speed for use is 450 rpm.
    • For a better finish and longer drill bit life, it is important to respect the proper rotation speed and exert moderate pressure during drilling.

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