Chenguang Machinery & Electric Equipment Co., Ltd.  

Product Name: Best Selling Four Wings Drag PDC Drill Bits for Soft Rock Drilling Model NO.: JSB Material: Diamond Customized: Customized Trademark: Chenguang Transport Package: Wooden Box Specification: HQ, PQ, NQ Origin: China Product Description General introduction: Applications:PDC concave drill bit is akind of full-scale drilling bit, which is mainly used in coal mine, mining, geological exploration, water conservancy and hydropower, highway, railway, bridge and construction.This drill bit is the first option to be applied in drilling complex formation with perfect stability, good drainage and fast penetration rate.• Types:Ordinary type; Reinforced type; Super strength type.• Threads:Any female or male threads.Specification:ModelDiameter(mm)Wings NumberPDC cutters NumberJSB3-5656mm3 wings4 pcsJSB3-6060mm3 wings5 pcsJSB3-6565mm3 wings5 pcsJSB3-7575mm3 wings8 pcsJSB4-7575mm4 wings10 pcsJSB3-9494mm3 wings8 pcsJSB4-9494mm4 wings10 pcsJSB3-113113mm3 wings11 pcsJSB4-113113mm4 wings14 pcsJSB3-120120mm3 wings11 pcsJSB4-120120mm4 wings14 pcsJSB3-153153mm3 wings15 pcsJSB4-153153mm4 wings18 pcsJSB4-200200mm4 wings26 pcsJSB5-200200mm5 wings32 pcsImages Process of productsFAQTerms & Conditions of Ordering:1 .Payment Terms:T/T (Telegraphic Transfer),Western Unionor Paypal2. Delivery Term:based on order quantity, normally it takes15-25days for production.only 2or 3days if we have stock on your request size.3. Transportation:Sample order: we suggest Courier express or by airBulk order: we suggest by air or by sea.4. Quality &Service:A. There will be strict inspection and testing for every order before shipping out.B Our sales team and Technical Support will response for your question within 24 hours (Holidays Excluded)C. Free replacement will provide once the failure confirmed caused or our product quality; Not satisfied with arefund.about usContactus