Model | ** |
---|---|
Brand | FENGSU |
Type | Drill bit |
Material | Aolly |
Size Range | ** |
Thread Type | ** |
Recommended Formation | ** |
Origin | HUNAN,China |
Packaging | Carton or Wooden Box |
Pag-uuri/Pangalan ng Stratum | Kumakatawan sa Rock Strata | Bilis ng Teoretikal na Pagbabarena/Inirerekomendang Haba ng Pull-out | Inirerekomendang Drill Bits |
---|---|---|---|
Antas 1 (Maluwag na Lupa) | Pangalawang loess, pangalawang Hongshi, malambot na buhangin na walang graba at angular na graba, diatomaceous earth | 15M/h, 15M/P | Alloy drill bit, small-tooth composite drill bit, ordinaryong composite drill bit |
Level 2 (Loose Rock) | Huangshi/Hongshi/Peaty Clay/Sandy Soil/Uri ng Kaolin | 8M/h, 2.4M/P | Alloy drill bit, small-tooth composite drill bit, ordinaryong composite drill bit |
Level 3 (Soft Rock) | Strongly Weathered Shale/Slate/Grazing Rock/Schist/Slightly Cemented Sand Layer | 6M/h, 2M/P | Ordinaryong composite drill bit, triangle composite drill bit, hugis tinapay composite drill bit, hugis talim na composite drill bit |
Level 4 (Bahagyang Soft Rock) | Shale, sandy shale, oil shale, carbonaceous shale, calcareous shale, sand shale interlayer, argillaceous limestone | 5M/h, 1.7M/P | Ordinaryong composite drill bit, triangle composite drill bit, hugis tinapay composite drill bit, hugis talim na composite drill bit |
Level 5 (Bahagyang Hard Rock) | Gravel at gravel layers, collapse layer muddy slate, sericite chlorite greenstone slate, schist, limestone, marble | 3M/h, 11.50M/P | Ordinaryong composite drill bit, triangle composite drill bit, hugis tinapay composite drill bit, hugis talim na composite drill bit |
Level 6-7 (Medium Hard Rock) | Chlorite, mika, slate, Qianmu rock, schist, silicified limestone, calcite | 2M/h, 1.3M/P-1.1M/P | Hugis-blade na composite drill bit, reinforced composite drill bit, helmet-tooth composite drill bit, high-grade electroplated diamond drill bit |
Level 8-9 (Hard Rock) | Silicified mica rock, gneiss, basalt, diorite, pyroxenite, quartz Anshan porphyry | 1.2M/h, 0.3M/P-0.65M/P | Makapal na composite drill bit, hugis-blade na composite drill bit, helmet-tooth composite drill bit, conventional electroplated diamond drill bit, thermally stable polycrystalline diamond (TSP) drill bit |
Level 10-11 (Very Hard Rock) | Granite, granodiorite, gneiss, rhyolite, quartzite | 0.8M/h, 0.5M/P-0.32M/P | Body sintered drill bit, low-degree electroplated diamond drill bit, thermally stable polycrystalline diamond (TSP) drill bit. |
Level 12 (Labis na Hard Rock) | Quartzite, jasper, angle shale, corundum rock, quartz, flint, jasper | 0.3M/h, 0.16M/P | Body sintered drill bit, low-degree electroplated diamond drill bit, thermally stable polycrystalline diamond (TSP) drill bit. |
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