Gates Poly Chain GT2 Stainless Steel Sprocket SS 8MX-30S-21 MPB 7769-9230 8mm pitch 3.008 inch pitch diameter 30 grooves with a bore range of 1/2 - 1 13/16 inch for Poly Chain belts 21mm wide.
Markets/Applications Use with any Poly Chain® GT 2 Belts. Stainless steel Poly Chain GT2 sprockets are ideal for the food and beverage market or where non-corrosive sprockets are needed to prevent rust.