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    12° Tapered Drilling Tools

    12tapereddrillingtools

    Bit Diameter: 30-45mm

    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

    Button Bit (12°) D Flushing hole (mm) Buttons (mm) Angle Part no.
    mm in Front Gauge Front Gauge
    H22
    32
    33
    35
    36
    38
    40
    1 1/4
    1 5/16
    1 3/8
    1 13/32
    1 1/2
    1 9/16
    2×4
    2×4
    2×4
    2×4.5
    2×4.5
    2×5
    1×4
    1×4
    1×5
    1×5
    1×5
    1×5
    2×7
    2×7
    2×7
    2×7
    2×8
    2×8
    5×7
    5×7
    5×7
    5×8
    5×8
    5×8
    40°
    40°
    40°
    40°
    40°
    40°
    30322207-12
    30332207-12
    30352207-12
    30362207-12
    30382207-12
    30402207-12
    H22
    32
    34
    38
    45
    1 1/4
    1 11/32
    1 1/2
    1 3/4
    2×4.5
    2×4.5
    2×5
    2×5.5
    1×4.5
    1×4.5
    1×5
    2×4
    2×7
    2×7
    2×8
    2×8
    6×7
    6×7
    6×8
    6×9
    15°,35°
    15°,35°
    15°,35°
    15°,35°
    30322208-12
    30342208-12
    30382208-12
    30452208-12
    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





    1×5
    1×5
    1×5
    1×5
    1×5.5
    1×5.5















    313022-12
    313222-12
    313422-12
    313622-12
    313822-12
    314022-12
    H25
    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
    2×5
    2×5
    2×5
    2×5.5
    2×5.5














    313025-12
    313225-12
    313425-12
    313625-12
    313825-12
    314025-12
    Drill rod(12°) L Part no
    mm ft in
    Hex shank22*108 mm
    610
    1220
    1830
    2000
    2440
    3050
    3200
    3660
    2′
    4′
    6′
    6′
    8′
    10′
    10′
    12′



    7


    6
    10220612
    10221212
    10221812
    10222212
    10222412
    10222302
    10223212
    10223612
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