{"product_id":"concave-pdc-drill-bit","title":"Concave PDC Drill Bit","description":"\u003cdiv class=\"perfomax-product-content\"\u003e\n\u003cp\u003e\u003cstrong\u003eConcave PDC Drill Bit\u003c\/strong\u003e is a configurable concave fixed-cutter pdc bit selected by the complete drilling system, required dimensions, cutting structure, fluid path and operating conditions.\u003c\/p\u003e\n\u003cp\u003eConcave PDC drill bits for coreless rotary drilling in suitable soft-to-medium formations, with connection, cutter and hydraulic configuration confirmed for the project.\u003c\/p\u003e\n\u003ch2\u003eProduct Configuration Overview\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eReference \/ option\u003c\/th\u003e\n\u003cth\u003eSelection note\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBit type\u003c\/th\u003e\n\u003ctd\u003eConcave fixed-cutter PDC drill bit\u003c\/td\u003e\n\u003ctd\u003eConfirm coreless\/full-hole role; do not confuse with a coring bit.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIndustry-reference diameters\u003c\/th\u003e\n\u003ctd\u003e50–300 mm examples across specialist supplier catalogs\u003c\/td\u003e\n\u003ctd\u003eCurrent PerfoMax sizes and large-diameter designs are confirmed in the quotation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBody and blade layout\u003c\/th\u003e\n\u003ctd\u003eSteel-body integrated or welded construction; blade\/wing count by configuration\u003c\/td\u003e\n\u003ctd\u003eConstruction and blade count must match the approved design.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePDC cutters\u003c\/th\u003e\n\u003ctd\u003eIndustrial PDC cutting elements; common 13, 16 and 19 mm references\u003c\/td\u003e\n\u003ctd\u003eCutter size, grade, count, rake and placement are configuration-specific.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFace profile\u003c\/th\u003e\n\u003ctd\u003eConcave center with application-specific gauge structure\u003c\/td\u003e\n\u003ctd\u003eProfile depth and gauge design are controlled in the drawing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003ctd\u003eAPI Reg or project-specific\/custom thread by review\u003c\/td\u003e\n\u003ctd\u003eSend the mating rod\/sub thread standard or controlled dimensions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFluid path\u003c\/th\u003e\n\u003ctd\u003eWaterways or nozzles arranged for cooling and cuttings removal\u003c\/td\u003e\n\u003ctd\u003eConfirm air, water or mud circulation, flow and pressure.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormation guidance\u003c\/th\u003e\n\u003ctd\u003eSoft-to-medium formations; hard, highly abrasive or severely fractured ground requires review\u003c\/td\u003e\n\u003ctd\u003eProvide lithology, abrasivity, fractures, clay content and current bit history.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhy This Configuration Matters\u003c\/h2\u003e\n\u003cp\u003eThe recessed center, blade structure, PDC cutters, gauge and waterways work as one cutting system. Can support tracking, self-cleaning and efficient rotary cutting in the intended formation.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWater-well and geothermal drilling\u003c\/li\u003e\n\u003cli\u003eGrouting, gas drainage and mining holes\u003c\/li\u003e\n\u003cli\u003eSoft-to-medium sedimentary formations after technical review\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility and Selection\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill rod or sub:\u003c\/strong\u003e API Reg or controlled custom connection. Match thread standard, gender, shoulder and bore\/fluid path. A similar outside thread appearance is not enough.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRig and circulation system:\u003c\/strong\u003e Rotary drilling setup. Confirm torque, RPM, feed\/WOB, fluid type, flow and pressure. Formation and operating parameters control cutter and hydraulic selection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality, Packing and Delivery\u003c\/h2\u003e\n\u003cp\u003eConfiguration and visible condition can be checked against the approved quotation or drawing before shipment. MOQ, production lead time, corrosion protection, export packing, inspection scope and shipping documents are confirmed for the selected configuration and destination.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does the concave profile do?\u003c\/h3\u003e\n\u003cp\u003eA recessed center can support tracking and cutting-force distribution, but actual stability depends on the complete profile, gauge, cutter layout, rig and formation.\u003c\/p\u003e\n\u003ch3\u003eIs this a core bit?\u003c\/h3\u003e\n\u003cp\u003eThis page is for a concave fixed-cutter PDC family and should be treated as coreless\/full-hole unless the quotation explicitly defines an annular coring structure.\u003c\/p\u003e\n\u003ch3\u003eWhich formations are suitable?\u003c\/h3\u003e\n\u003cp\u003eConcave PDC configurations are commonly discussed for soft-to-medium sedimentary formations. Hard, highly abrasive, fractured or impact-prone ground needs technical review.\u003c\/p\u003e\n\u003ch3\u003eWhat connection information should I provide?\u003c\/h3\u003e\n\u003cp\u003eSend the mating drill rod or sub thread standard, pin\/box direction, gauge and shoulder dimensions, or a controlled drawing\/current part number.\u003c\/p\u003e\n\u003ch3\u003eWhat is needed for a quotation?\u003c\/h3\u003e\n\u003cp\u003eProvide diameter, drilling role, formation, connection, body\/blade preference, PDC cutter requirements, circulation method, rig parameters, quantity and destination.\u003c\/p\u003e\n\u003ch2\u003eRequest a Technical Quote\u003c\/h2\u003e\n\u003cp\u003eSend the required size, mating-system identity, drilling conditions, fluid or flushing details, quantity and delivery country through \u003ca href=\"\/pages\/request-a-quote\"\u003eRequest a Quote\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":" PerfoMax","offers":[{"title":"Default Title","offer_id":45757140500687,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/9308\/9999\/files\/perfomax-concave-pdc-white-bg-v1.webp?v=1787526312","url":"https:\/\/perfomaxdrill.com\/products\/concave-pdc-drill-bit","provider":" PerfoMax","version":"1.0","type":"link"}