APXB42-11 42mm Diameter 7 Buttons Tapered Drill Bit (China Trading Company) - Mining Machine - Industrial Supplies Products

APXB42-11 42mm Diameter 7 Buttons Tapered Drill Bit

Model:	APXB42-11
Brand:	APX
Origin:	Made In China
Category:	Industrial Supplies / Mining Machine
Label:	Drill Bits , Tapered Drill Bit , Drill Bits
Price:	US $4 / pc
Min. Order:	1 pc

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Product Description

APXB42-11 42mm Diameter 7 Buttons Tapered Drill Bit

Taper Degree	Diameter		Buttons			Flushing Holes Qty.
Taper Degree	mm	inch	Gauge Buttons Qty.*Dia.(mm)	Front Buttons Qty.*Dia.(mm)	Type	Front	Side
11°	32	1 17/64	3*7	1*7	Spherical Parabolic Ballistic Cone	1	1
	32	1 17/64	4*8	2*8		2	1
	32	1 17/64	5*8	2*8		1	2
	38	1 1/2	3*9	1*8		1	1
	38	1 1/2	3*9	2*7		1	1
	38	1 1/2	5*8	2*8		1	1
	40	1 9/16	3*9	1*9		1	1
	42	1 11/16	3*9	1*9		3	1
	42	1 11/16	3*10	2*9		1	1
	42	1 11/16	4*9	2*8		2	1
	42	1 11/16	5*10	2*8		1	1

Remark:

1.Tapered Degree usually is 11°, but we can manufacture 4.8°,6°,7°,11°,12°according to customer’s requirements.

2.Tapered Diameter usually is φ22, but we can manufacture φ23 or other Diameter according to customer’s requirements.

3.We can manufacture carbide button’s quantity and shape according to customer’s requirement.

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.