• Model NO.：YHJ 7 7,8-537G
• Bearing Type：Metal Sealed Jounal Bearing
• IADC Code：5-3-7
• Gauge/Body Protection Protection：Hardmetal and Ovoid Insert
• Pin Connection：4 1,2 API Reg
• Package：Plywood Box,Cartons
• Transport Package：Ply Wooden Box
• Specification：31.5KG
• Trademark：YINHAI
• Origin：Cangzhou City, Hebei Province, China
• HS Code：8207199000

Basic Info.

Model NO. YHJ 7 7/8-537G Bearing Type Metal Sealed Jounal Bearing IADC Code 5-3-7 Gauge/Body Protection Protection Hardmetal and Ovoid Insert Pin Connection 4 1/2 API Reg Package Plywood Box/Cartons Transport Package Ply Wooden Box Specification 31.5KG Trademark YINHAI Origin Cangzhou City, Hebei Province, China HS Code 8207199000

Product Description

TECH DATA OF 7 7/8" IADC537 (RUBBER SEALED)



YINHAI MANUFACTURING WORKSHOP





Hejian Yinhai Rock Bits Manufacture Co.,Ltd established at 2008 is located in Hejian City,Hebei Province,China.
We are manufacturer of tricone bits,PDC bits,Piling foundation single cones/ rock reamers.Our bits based on high-tech skills and designs are used in exploitation of natural gas,crude oil, water well, geological exploration,HDD drilling and piling foundation.

There are technical research team,production management team and professional sales team in our company to serve our customers.
Both standardized tricone bits/PDC produced strictly according to API and rock bits-customizing used in various construction works are provided. Good quality is our main aim we adhere to, ever and forever.

We are 100% real factory of tricone bits and single roller cones.Our bits work good in USA and Europe these years. 








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 price advantage?
  A:We are 100% factory directly sales,API production process guarantee,Provide OEM services for you.
    Reduce the cost of drilling for you, worry free after-sales service.Welcome to book a video-call to inspect YINHAI factory.