Surface treatment :  anodic oxidation; black of oxidation;nickelage;zincing;chromium plating.
Applicable industry: CNC machine;textile;print;food packaging;electrical appliance;communication cable;                                  instrumentation;tobacco and so on.
XL Synchronous Pulley
Belt Nominal Width	Pulley Width	Step Height	Step	Rim Diameter	Rim Thickness	Number of Tooth	Material	Surface Treatment
4.826mm(019)	6mm	8mm (or as custmer's need)	as custmer's need	as standard	1.0-3.0mm (or as  outer diameter)	10-200 (or as blueprint)	steel /aluminum (or as custmer's need)	as customer's need
6.35mm(025)	7.5mm
7.874mm(031)	9mm
9.398mm(037)	11mm
12.7mm(050)	14mm
19.05mm(075)	21mm
25.4mm(100)	27mm
38.1mm(150)	40mm
50.8mm(200)	52mm
Specification and size are unfinished,welcome to contact us for more information!