Specifications

manufacturer of cross drill bit,button bit,chisel bit,tungsten carbide bit
taper cross bit and thread cross bit

  cross bit/rock drill tool

 

Description of cross bit:

The cross bit can be used under any rock drilling condition, it's hardly impacted by the model of drill rig and the rock performance. Generally, chisel bit is mainly useed for hard rock, cross bit and button bit are mainly used for fissural rock.

It is mainly used for diging into mine laneway and blasting holes in all drilling works matched with the taper drill rod. For different rock, we choose the different alloy to extend the working life of the drill bits.

Drill Type	Bit diamater   (D)		Taper	Whter hole	(d) mm	Part on
	mm	in
Cross Type Bits	32	1 17/64"	7°	3	22	S132-722
	34	1 11/32"	7°	3	22	S134-722
	36	1  27/64"	7°	3	22	S136-722
	38	1   1/2 "	7°	3	22	S138-722
	40	1 37/64"	7°	3	22	S140-722
	42	1 21/32"	7°	3	22	S142-722
	43	1 11/16"	7°	3	22	S143-722
	45	1 49/64"	7°	3	22	S145-722
	50	1 31/32"	7°	3	22	S150-722
	55	2   9/50"	7°	3	22	S155-722