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1.Dia.:30~80mm Rock drill bits, 2.Type:tapered rock dril bits, 3.Rock drill bits for rock drilling, 4.OEM your own brand - details see: https://www.machineto.com/chisel-type-mining-rock-drill-bits-tapered-rock-drill-bits-10316948

Good Value - TaperedRock Drill Bits

Tapered Rock Drill Bits we have three types: taper chisel bit, taper cross bit and taper button bit. It's suitable for H22mm and H25mm taper rock drill rods use. It have three taper degree: 7°, 11°, 12°. It's widely used for hard rock(f=8~18) drilling use.

Chisel Type TaperedRock Drill Bits:

1) Tapered connection: 7,11,12

2) Alloy steel:42CrMo

3) Suitable carbide tips:YK20

4) Chisel bit diameter: 20-80mm

5)Technology:hot-pressing or welding

Diameter		Tip size	Taper	Weight
mm	inch	Height×Width		kg
26	1 1/32	10×7	7° 11° 12°	0.17
28	7 7/64	10×7	7° 11° 12°	0.18
30	1 3/16	13.5×8	7° 11° 12°	0.22
32	1 1/14	13.5×8	7° 11° 12°	0.24
34	1 11/32	13.5×8	7° 11° 12°	0.27
36	1 27/64	13.5×8	7° 11° 12°	0.30
38	1 1/2	13.5×8	7° 11° 12°	0.33
38	1 1/2	15×9	7° 11° 12°	0.33
40	1 37/64	13.5×9.2	7° 11° 12°	0.38
40	1 37/64	15×9.8	7° 11° 12°	0.38
42	1 2/3	13.5×9.2	7° 11° 12°	0.41
42	1 21/32	15×9.8	7° 11° 12°	0.41
50	1 31/32	18×10	7° 11° 12°	0.64
60	1 23/64	18×10	7° 11° 12°	0.86

Cross Type Tapered Rock Drill Bits:

1) Tapered connection: 7,11,12

2) Chisel bit diameter: 28-60mm

3) Technology:hot-pressing or welding

4) Bit Body: Short skirt and Long skirt

5) Tapered drill rod: H22/H25*108mm

Diameter		Tip size	Taper	Weight
mm	inch	Height×Width		kg
30	1 3/16	12×12×8	7° 11° 12°	0.29
32	1 1/4	12×12×8	7° 11° 12°	0.31
33	1 19/64	12×12×8	7° 11° 12°	0.33
34	1 11/32	12×12×8	7° 11° 12°	0.34
35	1 3/8	12×12×8	7° 11° 12°	0.36
36	1 27/64	13×12×8	7° 11° 12°	0.37
38	1 1/2	14×12×8	7° 11° 12°	0.43
40	1 37/64	15×12×8	7° 11° 12°	0.47
41	1 5/8	15×12×8	7° 11° 12°	0.49
42	1 21/32	15×12×8	7° 11° 12°	0.51
43	1 11/16	15×12×8	7° 11° 12°	0.53
45	1 3/4	17×14×8	7° 11° 12°	0.58
48	1 7/8	17×14×8	7° 11° 12°	0.67
50	1 31/32	19×14×8	7° 11° 12°	0.72
55	1 1/4	22×16×10	7° 11° 12°	0.92
60	2 3/8	22×16×10	7° 11° 12°	1.19

Tapered Button Bits,Rock Drill Bits:

1) Type: Tapered button bits

2) Shank Hex.Size: 19mm,22mm,25mm

3) Diameter: 30-42mm.

4) Taper degree: 7°11°12°

5) Package: Plastic case, wooden case.

Packing: plastic case, 25pcs/case or 50pcs/case