Wood working drill
    Norm: Q/M 1803
    Material: Carbon steel, HSS
    Metric   Inches
    Sizes
    d
    Overall
    length
    Shank   Sizes
    d
    Overall
    length
    Shank
    3 60 3   1/8" 60 1/8"
    4 75 4   5/32" 75 5/32"
    5 86 5   3/16" 80 3/16"
    6 92 6   7/32" 92 7/32"
    7 100 7   1/4" 92 1/4"
    8 115 8   9/32" 105 9/32"
    9 115 9   5/16" 115 5/16"
    10 120 10   11/32" 115 11/32"
    11 140 11   3/8" 115 3/8"
    12 140 12   13/32" 120 13/32"
    13 150 13   7/16" 140 7/16"
    14 150 13   1/2" 150 1/2"
    16 160 13   9/16" 150 1/2"
    18 170 13   5/8" 160 1/2"
    20 180 13   11/16" 170 1/2"
    22 200 13   3/4" 180 1/2"
    24 200 13   7/8" 200 1/2"
    26 250 13   1" 200 1/2"

     

    Wood working drills, Long series
    Norm: Q/M 1803
    Material: Carbon steel
    Metric   Inch
    Sizes
    d
    Overall
    length
    Shank   Sizes
    d
    Overall
    length
    Shank
    6 250 6   1/4" 250 1/4"
    8 250 8   5/16" 250 5/16"
    10 250 10   3/8" 250 3/8"
    12 250 12   1/2" 250 1/2"
    14 250 13   5/8" 250 1/2"
    16 250 13   3/4" 250 1/2"
    18 250 13   7/8" 250 1/2"
    20 250 13   1" 250 1/2"
    6 400 6   1/4" 400 1/4"
    8 400 8   5/16" 400 5/16"
    10 400 10   3/8" 400 3/8"
    12 400 12   1/2" 400 1/2"
    14 400 13   5/8" 400 1/2"
    16 400 13   3/4" 400 1/2"
    18 400 13   7/8" 400 1/2"
    20 400 13   1" 400 1/2"