China Guaranteed Quality Hard Rock Mining with Carbide Insert TCI Rotary Roller Used Bit Bit for Hard Rock Drilling, Find details about China Tricone Bit, Water Well Drilling from Guaranteed Quality Hard Rock Mining with Carbide Insert TCI Rotary Roller Used Bit Bit for Hard Rock Drilling
WOB | RPM | Application | ||
(KN/mm) | (r/min) | |||
IADC | 0.3-0.75 | 200-80 | very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk | |
111/114/115 | ||||
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, sandstone, dolomite | |
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(kgs) | Weight(kgs) |
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 |
Q1: Can I have a sample for testing?
A:Samples are still to be paid but discounted price can be provided.
Q2: Do you have the inspection procedures?
A:100% strict inspection and testing for every order before packing.
Q3: How can i get the after sale services?
A:Free replacement will provide once the problems casued by our product quality.
Q4: Can I have a visit to your factory before the order?
A: Sure, welcome, here is our address: Yantai, Shandong.