Product DescriptionProduct Name:HTD3M Timing PulleyProduct Material:Aluminum alloyNumber of Teeth:16/18/20TTooth Pitch:3mmBore:5/6/6.35/7/8/10/12mmBelt Width:10/15mmProduct Customization and ServicesHigh Quality products: All merchandise are processed quality testing before we put them into stock.Professional support: For your pre-sale questions and after-sale problem, we offer you the professional propose and solutions.Varies shipping methods: We supply varies delivery methods, you could possibly prefer the one who suits. Every parcel is distributed with monitoring number.Wholesale price: We can offer you special fee for a large quantity, Please contact with us.Customized service: We can custom-made some non-standard elements once you provide the drawing. Contact us for this service.