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Surface Diamond Core Bit

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Xi& acute;an Tydrillbits Co.,Ltd is one of the most famous China surface diamond core bit manufacturers,Website:http://www.tydrillbits.com, welcome to wholesale cheap surface diamond core bit from our factory.? This type of bit?is?primarily recommended for use in drilling relatively soft, abrasive, unconsolidated formations that are not effectively drilled by impregnated diamond bit. It is also recommended for use in drilling harder formations where the available?rotary speeds and bit loads?are insufficient to use impregnated diamond bits due to drilling equipment limitations.?In most cases, surface set diamond bits will provide higher rates of penetration than in softer formations due largely to the greater degree of exposure of the individual diamond crystals.To choose a right surface set for the formations drilled, we need at least consider the following aspects: diamond size, diamond grade, profile design.Principle of choosing diamond size--the harder the rocks, the smaller the diamond size should be.?SizeWireline series: Geobor S, WLA, WLB, WLN, WLH, WLP, WLB3, WLN3, WLH3, WLP3, WLN2, AQ, BQ, NQ, HQ, PQ, SQ, PQ3, HQ3, NQ3, BQ3, NQ2,?WL-56, WL-66, WL-76T2 / T?series: T2 46, T2 56, T2 66, T2 76, T2 86, T2 101, T46, T56, T66, T76, T86TT?series: TT 46, TT 56T6?series: T6 76, T6 86, T6 101, T6 116, T6 131, T6 146T6S?series: T6S 76, T6S 86, T6S 116, T6S 131, T6S 146B?series: B46, B56, B66, B76, B86, B101, B116, B131, B146MLC?series: NMLC, HMLCLTK?series: LTK48, LTK60WF?series: HWF, PWF, SWF, UWF, ZWFWT?series: RWT, EWT, AWT, BWT, NWT, HWT(Single Tube, Double Tube)WG?series: EWG, AWG, BWG, NWG, HWG(Single Tube, Double Tube)WM?series: EWM, AWM, BWM, NWM, HWMOther sizes: AX, BX, NX, HX, TBW, NQTT, HQTT, TNW, 412F, BTW, TBW, NTW, HTW, T6HChinese standard:??56mm, 59mm, 75mm, 89mm, 91mm, 108mm, 110mm, 127mm, 131mm, 150mm, 170mm, 219mm, 275mmRussian standard: 59, 76, 93, 112, 132, 152 mm

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