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    7° Tapered Drilling Tools

    7tapereddrillingtools

    Features

    Bit Diameter: 30-43mm

    Size: Hex. 22mm, 25mm

    Taper degree: 4°46′, 6°, 7°, 11°, 12°

    Applications: Quarrying, small hole drilling

    Our tapered bits include button, cross and chisel designs.

    Longer service life and lower drilling costs.

    11°, 12° tapered button bit with hot zinc-coating

    Specifications

    Tapered Button Bit (7°) D Flushing hole (mm) Buttons (mm) Angle Part no.
    mm in Front Gauge Front Gauge
    H22

    32

    34

    36

    38

    41
    1 1/4

    1 11/32

    1 13/32

    1 1/2

    1 5/8
    2×4

    2×4

    2×4.5

    2×5

    2×5
    1×4

    1×4

    1×4.5

    1×4.5

    1×5
    2×7

    2×7

    2×7

    2×7

    2×7
    5×7

    5×7

    5×8

    5×8

    5×9
    40°

    40°

    40°

    40°

    40°
    30322207-07

    30342207-07

    30362207-07

    30382207-07

    30412207-07
    H25

    36

    38

    41

    43
    1 13/32

    1 1/2

    1 5/8

    1 11/16
    2×4.5

    2×5

    2×5

    2×5
    1×4.5

    1×4.5

    1×5

    1×5
    2×7

    2×8

    2×7

    2×8
    5×8

    5×8

    5×9

    5×9
    35°

    35°

    35°

    35°
    30362507-07

    30382507-07

    30412507-07

    30432507-07
    H22

    30

    32

    34

    36

    38

    40
    1 3/16

    1 1/4

    1 11/32

    1 27/64

    1 1/2

    1 37/64










    2×5

    1×5

    1×5

    1×5

    1×5.5

    1×5.5






























    313022-07

    313222-07

    313422-07

    313622-07

    313822-07

    314022-07
    H25

    36

    38

    41

    43
    1 3/32

    1 1/2

    1 5/8

    1 11/16






    2×5

    1×5.5

    1×5.5

    1×5.5


















    313625-07

    313825-07

    314125-07

    314325-07
    Drill Rod(7°)

    L Part no
    mm ft in
    Hex Shank 22*108mm

    600

    800

    1200

    1600

    2400

    3200

    4000
    2

    2

    4

    5

    8

    10

    13


    7 1/2”



    4”

    6”

    1 1/2
    10220607

    10220807

    10221207

    10221607

    10222407

    10223207

    10224007
    Hex Shank 25*108mm

    800

    1600

    2400

    3200

    4000
    2’

    5’

    8’

    10’

    13’
    7 1/2”

    4”



    6”

    1 1/2”
    10250807

    10251607

    10252407

    10253207

    10254007



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