{"product_id":"reinforced-concave-pdc-drill-bit-for-custom-large-diameter-drilling","title":"Reinforced Concave PDC Drill Bit for Custom Large-Diameter Drilling","description":"\u003csection class=\"codex-category-spec\"\u003e\u003cdiv class=\"br-intro\"\u003e\n\u003ch2\u003eReinforced Three-Wing and Four-Wing Concave Configurations\u003c\/h2\u003e\n\u003cp\u003eReinforced Concave PDC Drill Bit A reinforced concave PDC drill bit series offered in three-wing and four-wing configurations for customized large-diameter drilling projects. Key Advantages Reinforced blades provide additional structural support. Concave profile assists guidance and stable cutting. Three-wing and four-wing configurations cover different cuttings-flow and stability requirements. Recommended Applications Customized water well drilling Mining and engineering boreholes Large-diameter drilling projects Available Specifications Available photographed configurations: Model 220 \/ 4-Wing, Model 250 \/ 3-Wing, Model 250 \/ 4-Wing and Model 300 \/ 3-Wing. Actual diameter and thread must be confirmed. OEM\/ODM Customization Diameter, thread connection, cutter layout, color and packaging can be customized. Please provide the target formation, drilling method, required connection and order quantity before production.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"br-grid\"\u003e\n\u003cdiv class=\"br-card\"\u003e\n\u003ch3\u003eReinforced Blade Support\u003c\/h3\u003e\n\u003cp\u003eThickened blade structures provide additional support for custom large-diameter designs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"br-card\"\u003e\n\u003ch3\u003eConcave Guidance\u003c\/h3\u003e\n\u003cp\u003eThe recessed center assists centering and stable cutting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"br-card\"\u003e\n\u003ch3\u003eMultiple Configurations\u003c\/h3\u003e\n\u003cp\u003ePhotographed configurations include Model 220, 250 and 300 in three-wing or four-wing layouts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eActual Product Views\u003c\/h2\u003e\n\u003cdiv class=\"br-gallery\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0693\/4642\/7098\/files\/rc-01.jpg?v=1781265595\" alt=\"reinforced concave PDC drill bit - image 1\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0693\/4642\/7098\/files\/rc-02.jpg?v=1781265598\" alt=\"reinforced concave PDC drill bit - image 2\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0693\/4642\/7098\/files\/rc-03.jpg?v=1781265602\" alt=\"reinforced concave PDC drill bit - image 3\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0693\/4642\/7098\/files\/rc-04.jpg?v=1781265607\" alt=\"reinforced concave PDC drill bit - image 4\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"br-specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eReinforced concave coreless PDC drill bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCutting structure\u003c\/th\u003e\n\u003ctd\u003eReinforced three-wing or four-wing concave fixed-cutter structure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePrimary applications\u003c\/th\u003e\n\u003ctd\u003eCustom water-well, mining and large-diameter engineering drilling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended formations\u003c\/th\u003e\n\u003ctd\u003eActual diameter, thread, cutter layout and formation require confirmation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003ctd\u003eModel 220 \/ 4-Wing · Model 250 \/ 3-Wing · Model 250 \/ 4-Wing · Model 300 \/ 3-Wing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003ctd\u003eThreaded connection matched to the customer's drill string\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCustomization\u003c\/th\u003e\n\u003ctd\u003eDiameter, connection, cutter layout, waterways, hardfacing, color, logo and packaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdiv class=\"br-band\"\u003e\n\u003ch2\u003eSelection and Operating Guidance\u003c\/h2\u003e\n\u003cdiv class=\"br-two\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eRecommended when\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe visible cutting structure matches the required drilling method.\u003c\/li\u003e\n\u003cli\u003eThe formation and flushing method can be supplied for configuration review.\u003c\/li\u003e\n\u003cli\u003eA customized diameter or thread connection is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eConfirm before ordering\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRequired diameter and thread connection\u003c\/li\u003e\n\u003cli\u003eFormation hardness, abrasiveness and fracture condition\u003c\/li\u003e\n\u003cli\u003eRig model, drilling method, target depth and quantity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"br-note\"\u003ePerformance depends on formation, rig parameters, flushing and operating practice. Final configuration should be confirmed by the technical team.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"br-quote\"\u003e\n\u003ch2\u003eFast Quote Checklist\u003c\/h2\u003e\n\u003cp\u003eSend diameter, thread\/connection, formation description, target depth, rig model, flushing method and quantity. Photos or geological reports improve configuration accuracy.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hunan FengSu PDC Drill Bit Co., Ltd","offers":[{"title":"Model 220 \/ 4-Wing","offer_id":48044448481498,"sku":"FS-RC-001","price":0.0,"currency_code":"USD","in_stock":true},{"title":"Model 250 \/ 3-Wing","offer_id":48044448514266,"sku":"FS-RC-002","price":0.0,"currency_code":"USD","in_stock":true},{"title":"Model 250 \/ 4-Wing","offer_id":48044448547034,"sku":"FS-RC-003","price":0.0,"currency_code":"USD","in_stock":true},{"title":"Model 300 \/ 3-Wing","offer_id":48044448579802,"sku":"FS-RC-004","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/4642\/7098\/files\/rc-01.jpg?v=1781265595","url":"https:\/\/pdcdrill.com\/products\/reinforced-concave-pdc-drill-bit-for-custom-large-diameter-drilling","provider":"Hunan FengSu PDC Drill Bit Co., Ltd","version":"1.0","type":"link"}