34mm Taper Cross Bits for Rock Drilling

Product Description

34mm Taper Cross Bits for Rock Drilling



A. Apply to all kinds of quarry.
B. Economy prices and durable quality.
C. All our customers satisfied with it.
D. Easy operat
Products Name: Drilling cross bits with competitive prices

Why Choose Us?
Xiamen Bestlink Factory Co., Ltd since 1985 is committed to providing the best drilling and cutting machine, tools and accessories products in marble and granite stone quarrying, as well as in civil engineering application, especial demolition project. It is now a leading manufacturer of cutting and drilling equipment for the extraction of marble, granite and ornamental stones in china.

Products Features:
The taper cross bits can be used under any rock drilling condition because of it's comprehensive adaptability.
Compared with taper chisel bits, taper cross bits have a better drilling performance because carbide tips on
Cross bits doubled, which means carbides shape are cross type on drill bits. Taper cross bit is mainly used for
Hard or very hard rock formation.


NOTES:
To ensure the normal service life, the taper drill bits need to be matched well with taper drill rods, the taper
Degree must be the same between taper drill bits and taper dill rods; The penetration depth of taper drill rods
Which into the taper hole of taper dill bits should be over 25mm, and the head of the taper drill rods should
Not touch the bottom of the taper of taper drill bits, otherwise the taper drill bits would be lost easily during
Operation.

Description	Diameter	Length	Weight
Taper Angle a=4 ° , 7 ° , 11 ° , 12 °	mm	mm	kg
	24	71 80	0.18
	26	71 80	0.19
	28	71 80	0.19
	29	71 80	0.2
	30	50 67 71 80	0.3
	32	50 67 71 80	0.3
	33	71 80	0.32
	34	67 71 80	0.34
	35	67 71 80	0.35
	36	71 80	0.36
	38	67 71 80	0.42
	40	71 80	0.43
	41	71	0.45
	42	69 80	0.46
	44	80	0.47
	45	80	0.5
	46	80	0.51
	48	80	0.53
	50	80	0.6
	55	85	0.7