China Guaranteed Quality Hard Rock Mining with Carbide Insert TCI Rotary Roller 8 1 / 2 Inch IADC 517 Tricone Bit Rock Bit for Drilling, Find details about China Tricone Bit, Water Well Drilling from Guaranteed Quality Hard Rock Mining with Carbide Insert TCI Rotary Roller 8 1 / 2 Inch IADC 517 Tricone Bit Rock Bit for 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.