Specifications

carbide rock drill bits
1.Wide range of useage
2.High quality best price
3.Long lifefull model
4.Certified by ISO9001

Description of tungsten carbide rock drill bits
Tapered chisel bit is one of traditional drill bits with long history in the world, due to its simple production process, they are used widely in the world from the last century. Chisel bits means carbides are chisel type. Like taper drill steels, taper chisel bits have different taper degree according to customers’ request. And the diameters varies from 20mm to 60mm.According to the total height of taper chisel bits, there are short skirt taper chisel bits and long skirt chisel bits. Usually short skirt means the total height of bits are 50 mm around, while long skirt taper bits are 75mm to 80mm around.

 

Bit diameter		Carbide tip	Taper	Water hole
mm	in	thick x hight
20	25/32"	6 x 12	4°	2
22	55/64"	6 x 12	4°	2
24	15/16"	810 x 13.515	4°	2
26	1 1/32"	810 x 13.515	4°	2
28	1 7/64"	810 x 13.515	6°	2
30	1 3/16"	810 x 13.515	7°	2
32	1 17/64"	810 x 13.515	7°	2
34	1 11/32"	810 x 13.515	7°	2
36	1 27/64"	810 x 13.515	7°	2
38	1 1/2"	810 x 13.518	7°	2
40	1 37/64"	810 x 13.518	7°	2
42	1 21/32"	810 x 13.518	7°	2
50	1 31/32"	810 x 13.518	7°	2
56	2 13/64"	810 x 13.518	7°	2
60	2 23/64"	810 x 13.518	7°	2

 

 

We can manufacture all kinds of bits and shells according to customer's special requirement.

Any requirement please contact us, we'll do the best service for you. Hope we can establish a good business relationship.