
TCI&Mt 8 3/4" 222mm IADC437/117g Rock Roller Cone Bit/Drilling Bit/Tricone Bit/Carbide Insert Bit/Steel Tooth Drill Bit
HEJIAN YINHAI ROCK BITS MANUFACTURE CO., LTD.- Customized:Customized
- Standard:API
- Material:Tungsten Carbide
- Usage:Well Drilling
- Bearing Type:Rubber Sealed Journal Bearing
- Diameter:222.25mm
Base Info
- Leg and Shirttail Protection:Hardmetal with Ovoid Inserts
- Pin Connection:4 1,2" API Reg
- Transport Package:Ply Wooden Box,Carton
- Specification:35-40kg
- Trademark:YINHAI
- Origin:Cangzhou City, Hebei Province, China
- HS Code:8431431000
Description









A: Manufacturer,We are a 100% real factory of Rock Drill Bits, with 12 years' experience. And We have passed the factory audit by SGS.
A : Both standardized tricone bits and PDC bits produced strictly according to API and rock bits-customizing used in various construction works are provided.
A: Ply Wooden boxes (free of fumigation); Cartons; Packing can be customized.


A:We are 100% factory directly sales,API production process guarantee,Provide customized services for brand processing.
Reduce the cost of drilling for you, worry free after-sales service. Welcome to book a video-call to inspect our factory.
A:It all depends.Generally 1-5 pcs.
A:yinhaibits.en.made-in-china.com ~~~ Please contact me for Drilling Report & Clients' Feedback & Tech Data or any info.
