{"product_id":"4-wing-spiral-concave-pdc-drill-bit-for-water-well-engineering","title":"4-Wing Spiral Concave PDC Drill Bit for Water Well \u0026 Engineering","description":"\u003csection class=\"codex-category-spec\"\u003e\u003cdiv class=\"br-intro\"\u003e\n\u003ch2\u003eSpiral Cuttings Flow Combined with Concave Guidance\u003c\/h2\u003e\n\u003cp\u003e4-Wing Spiral Concave PDC Drill Bit A four-wing spiral concave PDC drill bit designed to combine directional stability with efficient cuttings flow. Key Advantages Spiral blade channels support flushing and cuttings removal. Concave profile helps guide the bit during drilling. Four-wing layout balances cutting efficiency and stability. Recommended Applications Water well drilling Geological exploration Mining and engineering drilling Available Specifications Manufacturing range: 94–325 mm. Common international sizes within this range are listed as selectable options. 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\u003eSpiral Blade Channels\u003c\/h3\u003e\n\u003cp\u003eSpiral waterways support flushing and cuttings evacuation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"br-card\"\u003e\n\u003ch3\u003eConcave Tracking Profile\u003c\/h3\u003e\n\u003cp\u003eThe recessed center helps guide the bit and stabilize the cutting face.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"br-card\"\u003e\n\u003ch3\u003eMale and Female Connections\u003c\/h3\u003e\n\u003cp\u003eConnection style can be matched to the actual drill string.\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\/4wsc-01.jpg?v=1781265557\" alt=\"4-wing spiral concave PDC drill bit - image 1\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0693\/4642\/7098\/files\/4wsc-02.jpg?v=1781265559\" alt=\"4-wing spiral concave PDC drill bit - image 2\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0693\/4642\/7098\/files\/4wsc-03.jpg?v=1781265562\" alt=\"4-wing spiral concave PDC drill bit - image 3\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0693\/4642\/7098\/files\/4wsc-04.jpg?v=1781265564\" alt=\"4-wing spiral concave PDC drill bit - image 4\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0693\/4642\/7098\/files\/4wsc-05.jpg?v=1781265568\" alt=\"4-wing spiral concave PDC drill bit - image 5\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0693\/4642\/7098\/files\/4wsc-06.jpg?v=1781265572\" alt=\"4-wing spiral concave PDC drill bit - image 6\" 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\u003eFour-wing spiral concave coreless PDC drill bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCutting structure\u003c\/th\u003e\n\u003ctd\u003eFour spiral blades with concave center and fixed PDC cutters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePrimary applications\u003c\/th\u003e\n\u003ctd\u003eWater wells, geological exploration, mining and engineering drilling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended formations\u003c\/th\u003e\n\u003ctd\u003eSoft to medium formations; cutter and flushing design require project confirmation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e95.3 mm \/ 3 3\/4\" · 114.3 mm \/ 4 1\/2\" · 149.2 mm \/ 5 7\/8\" · 165.1 mm \/ 6 1\/2\" · 200.0 mm \/ 7 7\/8\" · 215.9 mm \/ 8 1\/2\" · 244.5 mm \/ 9 5\/8\" · 250.8 mm \/ 9 7\/8\" · 311.2 mm \/ 12 1\/4\" · 323.9 mm \/ 12 3\/4\" · Custom Size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003ctd\u003eMale Thread · Female Thread\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":"95.3 mm \/ 3 3\/4\" \/ Male Thread","offer_id":48044447170778,"sku":"FS-4WSC-001","price":0.0,"currency_code":"USD","in_stock":true},{"title":"95.3 mm \/ 3 3\/4\" \/ Female Thread","offer_id":48044447236314,"sku":"FS-4WSC-002","price":0.0,"currency_code":"USD","in_stock":true},{"title":"114.3 mm \/ 4 1\/2\" \/ Male Thread","offer_id":48044447269082,"sku":"FS-4WSC-003","price":0.0,"currency_code":"USD","in_stock":true},{"title":"114.3 mm \/ 4 1\/2\" \/ Female Thread","offer_id":48044447301850,"sku":"FS-4WSC-004","price":0.0,"currency_code":"USD","in_stock":true},{"title":"149.2 mm \/ 5 7\/8\" \/ Male Thread","offer_id":48044447334618,"sku":"FS-4WSC-005","price":0.0,"currency_code":"USD","in_stock":true},{"title":"149.2 mm \/ 5 7\/8\" \/ Female Thread","offer_id":48044447367386,"sku":"FS-4WSC-006","price":0.0,"currency_code":"USD","in_stock":true},{"title":"165.1 mm \/ 6 1\/2\" \/ Male Thread","offer_id":48044447400154,"sku":"FS-4WSC-007","price":0.0,"currency_code":"USD","in_stock":true},{"title":"165.1 mm \/ 6 1\/2\" \/ Female Thread","offer_id":48044447432922,"sku":"FS-4WSC-008","price":0.0,"currency_code":"USD","in_stock":true},{"title":"200.0 mm \/ 7 7\/8\" \/ Male Thread","offer_id":48044447465690,"sku":"FS-4WSC-009","price":0.0,"currency_code":"USD","in_stock":true},{"title":"200.0 mm \/ 7 7\/8\" \/ Female Thread","offer_id":48044447498458,"sku":"FS-4WSC-010","price":0.0,"currency_code":"USD","in_stock":true},{"title":"215.9 mm \/ 8 1\/2\" \/ Male Thread","offer_id":48044447531226,"sku":"FS-4WSC-011","price":0.0,"currency_code":"USD","in_stock":true},{"title":"215.9 mm \/ 8 1\/2\" \/ Female Thread","offer_id":48044447563994,"sku":"FS-4WSC-012","price":0.0,"currency_code":"USD","in_stock":true},{"title":"244.5 mm \/ 9 5\/8\" \/ Male Thread","offer_id":48044447596762,"sku":"FS-4WSC-013","price":0.0,"currency_code":"USD","in_stock":true},{"title":"244.5 mm \/ 9 5\/8\" \/ Female Thread","offer_id":48044447629530,"sku":"FS-4WSC-014","price":0.0,"currency_code":"USD","in_stock":true},{"title":"250.8 mm \/ 9 7\/8\" \/ Male Thread","offer_id":48044447662298,"sku":"FS-4WSC-015","price":0.0,"currency_code":"USD","in_stock":true},{"title":"250.8 mm \/ 9 7\/8\" \/ Female Thread","offer_id":48044447695066,"sku":"FS-4WSC-016","price":0.0,"currency_code":"USD","in_stock":true},{"title":"311.2 mm \/ 12 1\/4\" \/ Male Thread","offer_id":48044447727834,"sku":"FS-4WSC-017","price":0.0,"currency_code":"USD","in_stock":true},{"title":"311.2 mm \/ 12 1\/4\" \/ Female Thread","offer_id":48044447760602,"sku":"FS-4WSC-018","price":0.0,"currency_code":"USD","in_stock":true},{"title":"323.9 mm \/ 12 3\/4\" \/ Male Thread","offer_id":48044447793370,"sku":"FS-4WSC-019","price":0.0,"currency_code":"USD","in_stock":true},{"title":"323.9 mm \/ 12 3\/4\" \/ Female Thread","offer_id":48044447826138,"sku":"FS-4WSC-020","price":0.0,"currency_code":"USD","in_stock":true},{"title":"Custom Size \/ Male Thread","offer_id":48044447858906,"sku":"FS-4WSC-021","price":0.0,"currency_code":"USD","in_stock":true},{"title":"Custom Size \/ Female Thread","offer_id":48044447891674,"sku":"FS-4WSC-022","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/4642\/7098\/files\/4wsc-01.jpg?v=1781265557","url":"https:\/\/pdcdrill.com\/products\/4-wing-spiral-concave-pdc-drill-bit-for-water-well-engineering","provider":"Hunan FengSu PDC Drill Bit Co., Ltd","version":"1.0","type":"link"}