USES:
High quality top tricone bit tools, which are widely use in mines, quarries, earthworks and other
engineering drilling blasting hole, guardrail hole, mountain reinforcement, anchorage and other engineering holes, geothermal
exploration hole, well bore and other fields.
IADC | WOB | RPM | Application |
(KN/mm) | (r/min) | ||
111/114/115 | 0.3-0.75 | 200-80 | very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk |
116/117 | 0.35-0.8 | 150-80 | very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk |
121 | 0.3-0.85 | 200-80 | soft formations with low compressive strength and high drill ability, like mudstone, gypsum, salt, soft limestone |
124/125 | 180-60 | ||
131 | 0.3-0.95 | 180-80 | soft to medium formations with low compressive strength, like medium, soft shake, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds |
136/137 | 0.35-1.0 | 120-60 | |
211/241 | 0.3-0.95 | 180-80 | medium formations with high compressive strength, like medium, soft shake, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbeds. |
216/217 | 0.4-1.0 | 100-60 | |
246/247 | 0.4-1.0 | 80-50 | medium hard formation with high compressive strength, like hard shale, limestone, sandstone, dolomite |
321 | 0.4-1.0 | 150-70 | medium abrasive formations, like abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble |
324 | 0.4-1.0 | 120-50 | |
437/447/435 | 0.35-0.9 | 240-70 | very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk, gypsum, salt, soft limestone |
517/527/515 | 0.35-1.0 | 220-60 | soft formations with low compressive strength and high drill ability, like mudstone, gypsum, salt, soft limestone |
537/547/535 | 0.45-1.0 | 220-50 | soft to medium formations with low compressive strength, like medium, soft shake, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds |
617/615 | 0.45-1.1 | 200-50 |
medium hard formation with high compressive strength, like hard shale, limestone, sandston |
637/635 | 0.5-1.1 | 180-40 | hard formation with high compressive strength, like limestone, sandstone, dolomite, hard gypsum, marble |
Note: Above limits of WOB and RRPM should not be used simultaneously |
Size | Steel tooth bit | TCI bit | |
(in) | (mm) | Weight(kg) | Weight(kg) |
3 7/8 | 98.4 | 5 | 6 |
4 5/8 | 117.5 | 6 | 6.5 |
5 7/8 | 149.2 | 17 | 18 |
6 | 152.4 | 18 | 19.5 |
6 1/2 | 165.1 | 19 | 22 |
7 7/8 | 200 | 29 | 29.5 |
8 1/2 | 215.9 | 35 | 38 |
8 3/4 | 222.2 | 36 | 40 |
9 1/2 | 241.3 | 57 | 59 |
9 7/8 | 250.8 | 58 | 60 |
10 5/8 | 269.9 | 66 | 74 |
12 1/4 | 311.1 | 85 | 111 |
13 5/8 | 346.1 | 118 | 120 |
14 3/4 | 374.6 | 140 | 160 |
17 1/2 | 444.5 | 230 | 255 |
20 | 508 | 428 | 443 |
22 | 558.8 | 520 | 560 |
26 | 660.4 | 720 | 810 |