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Button Bit

  • Description
Product Detail

    With professional and productive factory, HAINAISEN is one of the leading China button bit manufacturers. Welcome to wholesale button bit from us, we always have cheap products to offer you.

    down hole  button bit


    Bit Diameter

     

    Carbide

    Taper

    Water

    Part No.

    Mm

    inch

    Width*Height

    Hole

    30

    1 3/16

    8-10*13.5-15

    7

    2

    CH130-722

    32

    1 17/64

    8-10*13.5-15

    7

    2

    CH 132-722

    34

    1 11/32

    8-10*13.5-15

    7

    2

    CH 134-722

    36

    1 27/64

    8-10*13.5-15

    7

    2

    CH 136-722

    38

    1 1/2

    8-10*13.5-15

    7

    2

    CH 138-723

    40

    1 37/64

    8-10*13.5-15

    7

    2

    CH 140-723

    42

    1 21/32

    8-10*13.5-15

    7

    2

    CH 142-723

    20

    2 5/32

    6*12

    4

    1

    CH 220-415

    22

    5 5/64

    6*12

    4

    1

    CH 222-415

    24

    1 5/16

    8*13

    4

    2

    CH 224-415

    26

    1 1/32

    8-10*13.5-15

    4

    2

    CH 226-415

    28

    1 7/64

    8-10*13.5-15

    6

    2

    CH 228-722

    30

    1 3/16

    8-10*13.5-15

    7

    2

    CH 230-722

    32

    1 17/64

    8-10*13.5-15

    7

    2

    CH 232-722

    34

    1 11/32

    8-10*13.5-15

    7

    2

    CH 234-722

    36

    1 27/64

    8-10*13.5-15

    7

    2

    CH 236-723

    38

    1 1/2

    8-10*13.5-15

    7

    2

    CH 238-723

    40

    1 37/64

    8-10*13.5-15

    7

    2

    CH 240-723

    42

    1 21/32

    8-10*13.5-15

    7

    2

    CH 242-723

    50

    1 31/32

    8-10*13.5-15

    7

    2

    CH 250-725

    56

    2 13/64

    8-10*13.5-15

    7

    2

    CH 256-725

    60

    2 23/64

    8-10*13.5-15

    7

    2

    CH 260-725


    Specification:

    Button bit-face design: Flat face, drop centre, tungsten carbide hemispherical and ballistic. Normal and retrac body.Couplings sleeve- manufactured with a middle stop to prevent walking along the thread. Include couplings sleeve. Shank adaptors - carburized and manufactured with tight tolerances and controlled straightness.

    characteristic:

    Button bits with 6tips, 7tips, 8tips 

    Different rock formations and rock drills require different taper angles. When drilling with high impact hydraulic rock drills in medium-hard to hard and abrasive rock formations, a wide  angle is normally used. Taper angles of 11 and 12-degrees are always used on modern drill rigs. For low impact rock drills and softer rock formations, and a narrow taper angle of seven degrees is used of. A 7-degree angle can also be used if button bit spinning is a problem when using 11 and 12-degree equipment. In addition, a 4,46 degree angle is ideal for soft rock when you're using pneumatic or hydraulic drill rigs - to prevent bits from spinning or becoming detached.


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To:  

Shaanxi Hainaisen Petroleum Technology Co.,Ltd

* Content:  

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