Notice :
4mm solid ball supplier
4mm solid ball supplier
4mm solid ball supplier 4mm solid ball supplier
Product Description
4mm Solid ball 

Brand :WB Carbide 
Surface: ground /unground /blanks 
Lead time :1-5days 
Application:

Carbide ball very extensive application scope, such as precision punching drawing, precision bearings, instruments, meters, pen, spraying machine, water pump, mechanical parts, seal valve, brake pump, crushing hole, oil field, lab, hardness measuring instrument hydrochloride, fishing gear, satisfying 

Normal Grade as below :