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Rock Drilling Tri-cone Bits |
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Rock drilling tri-cone bits are mainly used for rock stripping and mining in open pit mine.
According to the different requirements of clients, our company designs various products, including milled tooth bits for soft rock and insert bits for very hard rock. |
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The tungsten carbide tooth is divided into sphere tooth and conical tooth based on different applications. |
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| SWIC Gage Inserts |
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Conical Top Interiror inserts |
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Main information of tri-cone bits |
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| Specifications |
API thread |
IADC Code |
Weight |
mm |
in |
kg |
Ib |
152 |
6 |
3 1/2 |
121、221、231、522、532、632、732、832 |
14.7-15.7 |
32.3-34.5 |
216 |
8 1/2 |
3 1/2 |
522、732、832 |
25-27 |
55-59.4 |
254 |
9 7/8 |
6 5/8 |
121、632、635、735、835 |
57-65 |
125.5-143 |
311 |
12 1/4 |
6 5/8 |
532、535、632、635、732、735、832、835 |
93-98 |
204.8-215.8 |
381 |
15 |
7 5/8 |
732、832 |
175-184 |
385.5-405.2 |
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