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BQ sizes hard rock diamond core drilling bit

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  • DIAMOND CORE DRILLING REFERENCE - Boart Longyear

    Size BQ™ NQ™ HQ™ PQ™ Core Dia. (in) 1.433 1.875 2.500 3.345 Bit OD STD (in) 2.345 2.965 3.763 4.805 Bit OD RSG (in) 2.360 2.980 3.782 4.827 Bit OD OS (in) N/A 3.032 3.830, 3.895 4.950 Hole Volume (gal/100 ft) 22.7 36.3 58.3 95.1 Metric Measurements Size BQ™ NQ™ HQ™ PQ™ Core Dia. (mm) 36.4 47.6 63.5 85.0 Bit OD (mm) 59.6 75.3 95.6 122.0

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  • DIAMOND CORE DRILLING REFERENCE - Boart Longyear

    Core Bits are used for drilling materials like the rock, concrete etc. Sizes: Wireline 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-76

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  • Atlas Copco Exploration Products Bits ... - Rock Drill Sales

    2021-7-20 · B series (ISO3552-1) Metric core bits: Size: OD (outer diameter) ID (inside diameter) Inch: mm: Inch: mm: B36: 1.422~1.412: 36.12~35.87: 0.859~0.849: 21.82~21.57: B46: 1.818~1.808: 46.18~45.92: 1.253~1.243: 31.82~31.57: B56: 2.210~2.200: 56.13~55.88: 1.647~1.637: 41.83~41.58: B66: 2.603~2.593: 66.12~65.87: 2.040~2.030: 51.81~51.56: B76 : 2.997~2.987: 76.12~75.87: …

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  • CORE BIT CONFIGURATION AND DIMENSIONS

    DIAMOND CORING DRILL BIT GAUGES QTM Wireline SIZE CORE OD (mm) BIT OD STD (mm) BIT OD RSG (mm) BIT OD OS (mm) HOLE VOL. (L/100 m) BQ 36.4 59.6 59.9 NA 282 NQ 47.6 75.3 75.7 77.0 451 HQ 63.5 95.6 96.1 97.3, 98.9 724 PQ 85.0 122.0 122.6 125.7 1 180 QTM Thin Kerf AQTK 30.5 47.6 48.0 N/A 181 BQTK 40.7 59.6 59.9 N/A 282 NQTK 50.7 75.3 75.7 77.0 451 QTM Triple Tube

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  • CORE BIT CONFIGURATION AND DIMENSIONS

    2015-5-11 · CORE BIT CONFIGURATION AND DIMENSIONS STANDARD DIAMOND CORE BITS • Can be used on most impregnated core bits • Great fluid circulation from the inside to the outside • Available with wider and/or larger waterway configurations TURBO PIE SHAPED (TPS) • Greater ejection of fluids and cuttings • Reduced contact area with the same

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  • ROTARY DRILLING BITS AND DRILL STRING TOOLS

    2018-7-15 · Casing Shoe: All standard threads are available; Matrix and Waterway can be customized for any rock formation. Casing Shoe Types:NQ, HQ, PQ, NQ; AW, BW, NW, NWA, NWT, HW, HWT, PW, PWT. PCD Bits are suitable for drilling soft to medium hard rock formation.

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  • Drilling Standards Reference Guide

    Features of Impregnated Diamond Core Bits of Taesung. Reached up to the global quality level. In Korea, rocks are generally very strong. Bits of Taesung Co. have an excellent drilling rate.at strong rocks as they have been adapted to such hard and strong rocks. Firmly positioned as a …

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  • Drilling Standards Reference Guide

    Wireline core BQ NQ HQ PQ drill rod and drill accessories FOB Price: USD 60 Piece Min. Order: 1 Pieces; core diamond drill bits/exploration core drilling bit/diamond core drill bits for hard rock FOB Price: USD 50 Piece Min. Order: 1 Pieces; Wholesale Manufacturer Lowest Price Professional Rock Well Drilling Wireline Core NQ HQ Drill Rod

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  • ROTARY DRILLING BITS AND DRILL STRING TOOLS

    Sizes:AQ, BQ, NQ, HQ, PQ, NQ2, NQ3, HQ3, PQ3. Product description:TSP bits are recommended for coring soft to medium hard, abrasive and fragmented formations. INQUIRY. Thermally stable polycrystalline (TSP) bits are manufactured in much the same way as surface set diamond core bits, but the natural diamond stones are replaced by thermally ...

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  • Drilling Standards Reference Guide

    PDC coring bits. Product description:The cutters of the PDC coring bits has high hardness, wear resistance and great tenacity, this drill bits are widely used in oil, gas, mining, engineering etc drilling fields. Polycrystalline diamond compact (PDC) core bits was originally introduced for oil drilling bits.

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  • Drilling and Sampling of Soil and Rock - PDHonline.com

    2014-1-1 · Aiming to the drilling characteristics of hard rock in deep borehole, a new kind of impregnated diamond bit was redesigned from structure, matrix formula, parameters of diamond and etc. in the paper. According to the design, the new long life impregnated diamond bit was developed, which could significantly improve drilling efficiency and reduce ...

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