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Diameter

Taper degree

Model

mm

inch

32

1 1/4’’

7°

APXD32-7

34

1 11/32’’

APXD34-7

36

1 27/64’’

APXD36-7

38

1 1/2’’

APXD38-7

40

1 37/64’’

APXD40-7

42

1 21/32’’

APXD42-7

43

1 11/16’’

APXD43-7

45

1 3/4’’

APXD45-7

50

1 31/32’’

APXD50-7

55

2 11/64’’

APXD55-7

60

2 23/64’’

APXD60-7

Our Carbide Button Shape Selection

Spherical/Domed/Round Button

Spherical/Domed/Round Button are usually used as gauge buttons of DTH Bits, suitable for very abrasive and very hard formations.

Parabollic/Semi-Ballistic Button

Parabollic/Semi-Ballistic Button are usually used as gauge buttons and front buttons of DTH Bits,suitable for medium abrasive and hard formations.

Ballistic Button

Ballistic Button are usually used as front buttons of DTH Bits, suitable for medium abrasive and medium hard formations. They also can be used as gauge buttons if the rock is soft.

Conical/Cone/Sharp Button

Conical/Cone/Sharp Button are usually used as front buttons of DTH Bits for soft formations where fast penetration rates are possible and button breakage is minimal.