Model | ** |
---|---|
Brand | FENGSU |
Type | Drill bit |
Material | Aolly |
Size Range | ** |
Thread Type | ** |
Recommended Formation | ** |
Origin | HUNAN,China |
Packaging | Carton or Wooden Box |
We are based in Hunan, China, start from 2019,sell to South Asia(16.00%),Mid East(15.00%),Africa(13.00%),Southeast Asia(12.00%),Eastern Asia(10.00%),North America(8.00%),Central America(6.00%),South America(6.00%),Northern Europe(4.00%),Western Europe(3.00%),Domestic Market(3.00%),Oceania(2.00%),Southern Europe(1.00%),Eastern Europe(1.00%). There are total about 51-100 people in our office.
We are based in Hunan, China, start from 2019,sell to South Asia(16.00%),Mid East(15.00%),Africa(13.00%),Southeast Asia(12.00%),Eastern Asia(10.00%),North America(8.00%),Central America(6.00%),South America(6.00%),Northern Europe(4.00%),Western Europe(3.00%),Domestic Market(3.00%),Oceania(2.00%),Southern Europe(1.00%),Eastern Europe(1.00%). There are total about 51-100 people in our office.
We are based in Hunan, China, start from 2019,sell to South Asia(16.00%),Mid East(15.00%),Africa(13.00%),Southeast Asia(12.00%),Eastern Asia(10.00%),North America(8.00%),Central America(6.00%),South America(6.00%),Northern Europe(4.00%),Western Europe(3.00%),Domestic Market(3.00%),Oceania(2.00%),Southern Europe(1.00%),Eastern Europe(1.00%). There are total about 51-100 people in our office.We are based in Hunan, China, start from 2019,sell to South Asia(16.00%),Mid East(15.00%),Africa(13.00%),Southeast Asia(12.00%),Eastern Asia(10.00%),North America(8.00%),Central America(6.00%),South America(6.00%),Northern Europe(4.00%),Western Europe(3.00%),Domestic Market(3.00%),Oceania(2.00%),Southern Europe(1.00%),Eastern Europe(1.00%). There are total about 51-100 people in our office.
We are based in Hunan, China, start from 2019,sell to South Asia(16.00%),Mid East(15.00%),Africa(13.00%),Southeast Asia(12.00%),Eastern Asia(10.00%),North America(8.00%),Central America(6.00%),South America(6.00%),Northern Europe(4.00%),Western Europe(3.00%),Domestic Market(3.00%),Oceania(2.00%),Southern Europe(1.00%),Eastern Europe(1.00%). There are total about 51-100 people in our office.
Schichtklassifizierung/-name | Darstellung von Gesteinsschichten | Theoretische Bohrgeschwindigkeit/empfohlene Auszugslänge | Empfohlene Bohrer |
---|---|---|---|
Stufe 1 (lockerer Boden) | Sekundärer Löss, sekundärer Hongshi, weicher Sand ohne Kies und eckiger Kies, Kieselgur | 15 Mio./h, 15 Mio./P | Legierungsbohrer, Kleinzahn-Verbundbohrer, gewöhnlicher Verbundbohrer |
Level 2 (Lockergestein) | Typ Huangshi/Hongshi/Torfiger Ton/Sandiger Boden/Kaolin | 8 M/h, 2,4 M/P | Legierungsbohrer, Kleinzahn-Verbundbohrer, gewöhnlicher Verbundbohrer |
Stufe 3 (Soft Rock) | Stark verwitterter Schiefer/Schiefer/grasendes Gestein/Schiefer/leicht zementierte Sandschicht | 6 M/h, 2 M/P | Gewöhnlicher Verbundbohrer, dreieckiger Verbundbohrer, brotförmiger Verbundbohrer, klingenförmiger Verbundbohrer |
Level 4 (Leicht sanfter Rock) | Schiefer, Sandschiefer, Ölschiefer, Kohlenstoffschiefer, Kalkschiefer, Sandschieferzwischenschicht, Tonkalkstein | 5 Mio./h, 1,7 Mio./P | Gewöhnlicher Verbundbohrer, dreieckiger Verbundbohrer, brotförmiger Verbundbohrer, klingenförmiger Verbundbohrer |
Level 5 (Leicht Hardrock) | Kies- und Kiesschichten, Einsturzschicht aus schlammigem Schiefer, Sericit-Chlorit-Grünsteinschiefer, Schiefer, Kalkstein, Marmor | 3 Mio./h, 11,50 Mio./P | Gewöhnlicher Verbundbohrer, dreieckiger Verbundbohrer, brotförmiger Verbundbohrer, klingenförmiger Verbundbohrer |
Level 6-7 (mittlerer Hardrock) | Chlorit, Glimmer, Schiefer, Qianmu-Gestein, Schiefer, verkieselter Kalkstein, Calcit | 2 M/h, 1,3 M/P-1,1 M/P | Klingenförmiger Verbundbohrer, verstärkter Verbundbohrer, Helmzahn-Verbundbohrer, hochwertiger galvanisierter Diamantbohrer |
Level 8-9 (Hard Rock) | Verkieseltes Glimmergestein, Gneis, Basalt, Diorit, Pyroxenit, Quarz-Anshan-Porphyr | 1,2 M/h, 0,3 M/P-0,65 M/P | Verdickter Verbundbohrer, klingenförmiger Verbundbohrer, Helmzahn-Verbundbohrer, herkömmlicher galvanisierter Diamantbohrer, thermisch stabiler polykristalliner Diamant (TSP) Bohrer |
Level 10-11 (Sehr Hardrock) | Granit, Granodiorit, Gneis, Rhyolith, Quarzit | 0,8 M/h, 0,5 M/P-0,32 M/P | Körpergesinterter Bohrer, niedrig galvanisierter Diamantbohrer, thermisch stabiler polykristalliner Diamant (TSP) Bohrer. |
Level 12 (Extrem Hard Rock) | Quarzit, Jaspis, Winkelschiefer, Korundgestein, Quarz, Feuerstein, Jaspis | 0,3 M/h, 0,16 M/P | Körpergesinterter Bohrer, niedrig galvanisierter Diamantbohrer, thermisch stabiler polykristalliner Diamant (TSP) Bohrer. |
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