high quality taper chisel drill bits for rock drilling

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High quality taper chisel drill bits for rock drilling ,For light drills, rock drilling hole diameter 50mm or less, suitable for rock hardness is not high. Widely used in various types of mines and railways, highways, water conservancy construction of coal, iron ore, gold, copper, lead-zinc mine in tunneling.

Chisel bit Specifications:

φ28 φ32 φ34 φ36 φ38 φ40 φ42 which use up to 40 models.

Chisel bit consists of: includes a shank, Arbor has a sophisticated, cutting-edge two located on a main plane of the cutting blade.

Specification of taper Chisel Bits

Chisel bit Diameter		Suit rock grade	Alloy tips size	Taper degree	Weight(kg)
mm	Inches	Suit rock grade	H x W	Taper degree	Weight(kg)
26	1 1/32	10-04	10x7	7º	0.17
28	1 7/64	10-04	10x7	7º	0.18
30	1 3/16	8-12	13.5x8	7º	0.22
30	1 3/16	10-04	13.5x8	7º	0.22
32	1 1/4	8-12	13.5x8	7º	0.24
32	1 1/4	10-04	13.5x8	7º	0.24
34	1 11/32	8-12	13.5x8	7º	0.27
34	1 11/32	10-04	13.5x8	7º	0.27
36	1 27/64	8-12	13.5x8	7º	0.3
36	1 27/64	10-04	13.5x8	7º	0.3
38	1 1/2	8-12	13.5x8	7º	0.33
38	1 1/2	10-04	13.5x8	7º	0.33
38	1 1/2	8-12	15x9	7º	0.33
38	1 1/2	10-04	15x9	7º	0.33
40	1 37/64	8-12	13.5x9.2	7º	0.38
40	1 37/64	10-04	13.5x9.2	7º	0.38
40	1 37/64	10-16	13.5x9.2	7º	0.38
40	1 37/64	16-18	13.5x9.2	7º	0.38
40	1 37/64	8-2	15x9.8	7º	0.38
40	1 37/64	10-14	15x9.8	7º	0.38
40	1 37/64	14-16	15x9.8	7º	0.38
40	1 37/64	16-18	15x9.8	7º	0.38
42	1 2/3	8-12	13.5x9.2	7º	0.41
42