TECH DATA OF YH-S45-637 WELDING SINGLE CONES YINHAI PRODUCTION AREA YINHAI -Series type of cone bits are assembly parts of Tricone bit &hole opener,its the main cutting structure of a bit.FAQ: 1.Q:What kind of packing do you have? A: Wooden case free of fumigation; Cartons; Packing can be customized. 2.Q:What is your sales advantages? A:We are 100% manufature production directly sales,API production process guarantee,Provide customized services for brand processing and OEM services. To Reduce the cost of drilling for you and give enough margin room for trading companies, worry free after-sales service. Welcome to  give us a video-call to inspect our factory workshops on site. 3.Q:What's your delivery and payment terms? A: Prepared to deliver within 1 week, if in stock Depends on order quantity, when out of stock 30 days for production. Transportation:By sea or air OR by train. Payment:  30% deposit in advance , balance acording to B/L copy. we can accept L/C, western union,TT. YINHAI rock bits manufacturer of tricone bits, PDC bits, Piling foundation single cones/ rock reamers. Our bits based on high-tech skill and design are used in explitation of natural gas, crude oil, water well, geological exploration, HDD drilling and piling foundation. we have  technical research team, production management team and professional sales team in our company to serve and guiding drilling works to  our customers. . our main products  as Tricone bit, PDC bit, cones, Roller bit, Diamond Core bit, Bi-center bit, hammer bits, single roller bit, drag bits, Hole opener,PDC reamer,  HDD  reamer, rock reamer and other accessories such as subs, nozzles,adapters, bit breakers,etc.We provide tricone bits from 3 1/2" to 34",PDC bits from 2 7/8” to 26”,piling from 60cm to 200cm,HDD vertical reamer and rock reamer from 6” to 50 inch。