T.C.T core drill
    Norm: JB/T 8368.2 
    Metric Sizes ( diameter )
    30 45 60 75 90 125 160
    35 50 65 80 100 130 170
    40 55 70 85 105 150
    Inch Sizes ( diameter )
    1-1/4" 1-1/2" 1-3/4" 3" 4" 5"
    1-3/8" 1-5/8" 2" 3-1/2" 4-1/2" 6" กก

     

    SDS Plus shank for core drill
    Size ( Total Length ): 110, 160, 250, 350, 450, 600, 800, 1000 mm

    Hex shank for core drill
    Size ( Total Length ): 110, 160, 250, 350, 450, 600, 800, 1000 mm