20YRS
TZOONG CHENG INDUSTRY CO., LTD.
Products
Guide Bushing
A & B Type Guide Bushing
TD8
MATERIAL : SCM-21
MANUFACTURING PROCESSES:
(1) PROCESSED BY CNC LATHE
(2)TEMPERED BY FIRE THEN COOL DOWN TO MAKE BEST HARDNESS AND HIGH RESISTANCE OF GRINDING
(3)HARDNESS HRC 58-60°