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Taper Button Bits

TAPERED CHISEL BIT:

Widely used in drilling holes with depth less than 5 meters and diameter ranged in 20-45 mm by light-duty rock drill

TAPERED CROSS BIT:

Used under any rock drilling condition and mainly used for hard or very hard rock formation because of it's comprehensive adaptability. Compared with taper chisel bits, taper cross bits have a better drilling performance because of carbide tips on cross bits doubled.

TAPERED BUTTON BITS:

Comparing with tapered chisel and cross bits, button bits has higher technology, much longer primary drilling time and higher drilling efficiency. According to the tungsten carbide insert, tapered button bits can be divided into the types of hemispherical, conical and parabolic button.

SERIAL 1

Diameter	Length	Water Hole
mm	mm	2
20	65	2
23	65	2
25	69	2
28	60	2
30	55-88	2
32	55-64	2
-	71-80	2
34	71-80	2
36	74	2
38	74	2
40	74	2
42	74	2
45	74	2

SERIAL 2

Diameter	Length	Water Hole
mm	mm	Kg
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

SERIAL 3

Dia.	Length	No. Of Buttons	Water Hole
mm	mm	Pcs.	Kg
28	50	4	0.2
29	50	4-5-6-7	0.2
30	50-80	5 6 7 8	0.2-0.3
32	50-55-71-80	6-7-8-9	0.2-0.22-0.3
33	50-55-71-80	6-7-9	0.2-0.3-0.36
34	50-55	7-8	0.22-0.3
35	55-71-80	4 5 6 7	0.22-0.3-0.37
36	50-55	7	0.3-0.35
37	55	4-6-7	0.3
38	50-55	4-6-7	0.25-0.35
40	50-55	7	0.35
41	50-55-71	4-5	0.35
42	50	6-7	0.4
45	50-55-71	6 7 8 9	0.5