Shandong East Machinery & Equipment Co., Ltd.
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Steel-teeth tricone rock roller drill bits for mining
1)can be hardened and surfaces treated with carbide for extra resilience.
2) for soft to medium hard rock.
TCI Tricone rock drill bits
1) spherically shaped inserts for very hard rock
2) conically shaped inserts for softer rock
3) three types of shirttail protection to choose from.
---metal bearing, oil bearing, rubber bearing
TYPE
|
size |
Bit Type |
|
|
In. |
mm |
|
|
6 |
152.4 |
136, 127 |
|
6 1/2 |
165.1 |
126,127 |
|
7 1/2 |
190.5 |
126, 136, 217, 227 |
|
8 1/2 |
215.9 |
114, 124, 126,127 |
|
9 1/2 |
241.3 |
126, 127 |
|
9 5/8 |
244.5 |
127 |
|
9 7/8 |
250.8 |
127 |
|
12 1/4 |
311.1 |
114, 126, 127 |
|
13 5/8 |
346.0 |
117, 126, 127 |
|
14 3/4 |
374.6 |
124 |
|
15 |
381.0 |
124 |
|
15 1/2 |
393.7 |
124 |
|
17 1/2 |
444.5 |
114, 117, 124, 126, 216 |
|
22 |
558.8 |
124 |
|
24 |
609.6 |
124 |
|
26 |
660.4 |
114 |