{"id":1485,"date":"2024-09-29T12:40:29","date_gmt":"2024-09-29T04:40:29","guid":{"rendered":"https:\/\/chpdc.com\/?post_type=cxb_products&#038;p=1485"},"modified":"2026-10-02T09:41:19","modified_gmt":"2026-10-02T01:41:19","slug":"pdc-core-drill-bit","status":"publish","type":"cxb_products","link":"https:\/\/chpdc.com\/tr\/products\/pdc-core-drill-bit\/","title":{"rendered":"PDC Double Cutter Core Drill Bit for Geological Exploration"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">PDC Core Drill Bits for Geological Exploration | 75\u2013325 mm<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">High-performance PDC core drilling tools for rock sampling, geological survey and medium-hard formations. Customized sizes and cutter configurations available.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chenghui Drilling (Shenzhen) Technology Co., Ltd. manufactures PDC core drill bits for geological exploration, mineral investigation, water well geological surveys and engineering drilling projects.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our PDC core bits feature a steel-body construction with polycrystalline diamond compact (PDC) cutting elements arranged around an open-center crown. During drilling, the cutters remove rock along an annular path, allowing a cylindrical rock sample to enter the compatible core barrel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The product range covers diameters from 75 mm to 325 mm, with different cutter arrangements, bit dimensions and connection options available according to the drilling system.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cutting Structure and Product Features<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">PDC Cutters for Core Drilling<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The cutting crown uses PDC elements positioned around the bit opening. Cutter quantity and configuration vary according to the bit diameter and design.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Available cutter specifications include 1004 and 1304, with alternative configurations subject to technical review.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Open-Center Crown Design<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The central opening allows rock core to pass into the core barrel during drilling. The crown structure and flushing passages are selected according to the required core dimensions and drilling conditions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Steel-Body Construction<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The steel body supports the cutting elements and connects the bit to a compatible drilling assembly. The final dimensions and thread specifications should be confirmed before ordering.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sizes for Different Drilling Projects<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Standard listed sizes range from 75 mm to 325 mm. Different sizes can be selected according to the required borehole diameter, core barrel configuration and sampling requirements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">OEM and Custom Specifications<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">We can discuss non-standard dimensions, cutter layouts, cutting structures and thread connections based on customer drawings, samples or equipment specifications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Available Sizes and Technical Specifications<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The following table lists the standard configurations shown in our product information. Cutter arrangements and other specifications may vary for customized versions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">[Insert the verified product specification table here.]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For accurate compatibility, please confirm the core barrel dimensions, bit connection and required core diameter before placing an order.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Rock Formations<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PDC core drill bits can be considered for suitable soft to medium-hard rock formations, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Red sandstone<\/li>\n\n\n\n<li>Mudstone<\/li>\n\n\n\n<li>Coal seams and coal-bearing formations<\/li>\n\n\n\n<li>Limestone<\/li>\n\n\n\n<li>Selected slate and weathered rock formations<\/li>\n\n\n\n<li>Other formations with compatible hardness and abrasiveness<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The appropriate cutting structure depends on more than rock hardness alone. Abrasiveness, fractures, interbedded layers, groundwater conditions and drilling parameters should also be considered.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For very hard, highly abrasive or severely fractured formations, an alternative diamond core bit configuration may be more suitable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Typical Drilling Applications<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Geological Exploration<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PDC core bits can be used in suitable formations where geological teams need rock samples for lithological observation, investigation and analysis.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mineral Exploration<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Core drilling helps exploration teams obtain subsurface samples for evaluating geological structures and mineral-bearing formations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Engineering Site Investigation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Rock core samples can support foundation engineering, slope investigations and other geotechnical projects requiring subsurface geological information.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Water Well and Hydrogeological Investigation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PDC core bits may be used for geological sampling associated with water well projects, where formation identification is required before or during drilling operations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Select the Right PDC Core Bit<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Before choosing a PDC core drill bit, consider the following information:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Bit diameter:<\/strong> Confirm the required outside diameter and borehole size.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Core barrel dimensions:<\/strong> Check the core barrel system and the required core diameter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Rock formation:<\/strong> Provide information about rock type, hardness, abrasiveness and fractures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. Cutter configuration:<\/strong> Select the cutting structure according to the formation and drilling conditions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. Thread connection:<\/strong> Confirm the actual thread type and dimensions of the drilling assembly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6. Drilling method:<\/strong> Check the flushing system, available drilling parameters and operating conditions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Providing this information helps reduce the risk of incorrect product selection and connection mismatches.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">OEM PDC Core Drill Bits from China<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chenghui Drilling supports international distributors, drilling contractors and exploration companies with standard and customized PDC core drill bit orders.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Customers requiring special sizes or cutting structures can provide technical drawings, product photographs, samples or drilling specifications for review.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our team can discuss manufacturing requirements, available configurations, order quantities and quotation details.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Request a PDC Core Drill Bit Quotation<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Looking for PDC core drill bits for an upcoming project?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Please send us:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Required bit diameter and quantity<\/li>\n\n\n\n<li>Core barrel dimensions<\/li>\n\n\n\n<li>Thread connection<\/li>\n\n\n\n<li>Geological formation<\/li>\n\n\n\n<li>Required cutter configuration, if known<\/li>\n\n\n\n<li>Product drawings or reference photographs, if available<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Contact Chenghui Drilling to discuss your drilling requirements and request a quotation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>High-performance <strong>Double PDC Core Drill Bit<\/strong> designed for <strong>geological exploration, rock sampling, and water well drilling<\/strong>. Featuring dual PDC cutting structures, it provides efficient drilling performance, stable core recovery, and long service life in medium-hard rock formations.<\/p>\n<p>Suitable for drilling <strong>limestone, dolomite, carbonaceous limestone, marl, shale, marble, gneiss, calcite and other medium-hard formations<\/strong>.<\/p>\n<p>Available in customized sizes and connections to meet different drilling requirements.<\/p>","protected":false},"featured_media":1483,"menu_order":0,"template":"","cxb_product_category":[17,37],"cxb_product_tag":[],"class_list":["post-1485","cxb_products","type-cxb_products","status-publish","has-post-thumbnail","hentry","cxb_product_category-drilling-bits","cxb_product_category-pdc-core-drill-bits"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PDC Core Drill Bits for Geological Exploration | 75\u2013325 mm<\/title>\n<meta name=\"description\" content=\"PDC core drill bits for geological exploration, rock sampling and water well drilling. 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