Shandong East Machinery & Equipment Co., Ltd.
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Product discription:
Rock drill bits are used to mine and construction.
Button bit:
Head 45/48/51/57/64/70/76/89/102/115with thread R25/32/38/45/51
Chisel bit: Head32/34/36/38/40/42/43/44/46with socket22/24/25and the taper 12o/6o/7o
Cross bit:
Head 32/34/36/38/40/43/44/46with socket22/24/25and the taper12o/6o/7o
Retrac bit:
Head 51/64/76/89/102with thread R32/38, T38/45/51
Coal bit:
Head 28/42/44
The chisel bit is made from grade hard alloy and special steel, generally matched with the light-duty rock drill, to drill the rock hole within diameter of 50mm.
Type to choose
|
Drill Type |
Bit diamater (D) |
Taper |
Whter hole |
(d) mm |
Part on |
|
|
mm |
in |
|||||
|
|
30 |
1 3/16" |
7° |
2 |
22 |
Y130-722 |
|
32 |
1 17/64" |
7° |
2 |
22 |
Y132-722 |
|
|
34 |
1 11/32" |
7° |
2 |
22 |
Y134-722 |
|
|
36 |
1 27/64" |
7° |
2 |
22 |
Y136-722 |
|
|
38 |
1 1/2" |
7° |
2 |
22 |
Y138-722 |
|
|
40 |
1 37/64" |
7° |
2 |
22 |
Y140-722 |
|
|
42 |
1 21/32" |
7° |
2 |
22 |
Y142-722 |
|
|
43 |
1 11/16" |
7° |
2 |
22 |
Y143-722 |
|
|
44 |
1 47/64" |
7° |
2 |
22 |
Y144-722 |
|
|
46 |
1 13/16" |
7° |
2 |
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