8 1/2" IADC537 Tricone Drill Bit/Roller Cone Bit/Button Bit
HEJIAN YINHAI ROCK BITS MANUFACTURE CO., LTD.- Customized：Customized
- Standard：API
- Type：Center Drill Bit
- Material：Tungsten Carbide
- Usage：Well Drilling, Geothermal Drilling
- Bearing Type：Rubber Sealed Journal Bearing
Base Info
- Model NO.：YHA 8 1,2-537G
- Diameter：215.9mm
- Tooth Type：-Chisel Inserts-Flat Inserts
- Hardfacing：Leg Protection with Ovoid Inserts
- Transport Package：Ply Wooden Box,Carton
- Trademark：YINHAI
- Origin：Cangzhou City, Hebei Province, China
- HS Code：8207199000
Description
A:It all depends.Generally 1-5 pcs.
6.Q:What is the website about your factory?
A:yinhaibits.en.made-in-china.com
