Ceramic Clutch Button with rough surface
Size (mm): 67.2 � 36.5
Rivet Diameter (mm): 9.6 +0.02
Wearing rate: 0.05-0.12 10-7 cm3/N.M
Certification: ISO/TS16949:2002, GB5764-98
Surface Hardness of button : 65 HRB
Price for 1 pcs