100% Original Lubrication Ball Bearing - GJBHY9.0-20-2 Specail Tungsten Carbide Tire Studs – Shanghai HY Industry

100% Original Lubrication Ball Bearing - GJBHY9.0-20-2 Specail Tungsten Carbide Tire Studs – Shanghai HY Industry,

Specifications:

–100% pure raw material

–easily installed&removed

– recycling use

– sizes & types are available

–good wear resistance

–strict tolerance controlled

–100% virgin raw material

–zinc plated for rust protection

–directly factory sale with good price

–short and on time delivery

–all the specifications can be used in cars

–samples will be given upon the inquiry

1.center of 100% quality guarantee customized tungsten carbide tire studs, tyre nails :
Chemical composition: WC-80%+Co-10% 
Density: (g/cm3):13.0-13.5
Hardbess HRA :>90(>1300HV30)
TRS Mpa:(N/MM2):1660
Poposity ISO):<A02B02
Free carbon and and Graphite phase :<C00
N phase :E00
grain size : (um):1.2-1.8
index of abrasive resistance :71+/-7.5
the center color: black

 2.cloth of 100% quality guarantee customized tungsten carbide tire studs, tyre nails

Materia : low carbon steel
Surface covering : galvanizing