BlackStar H10B12 - British Standard Sprocket - #10 Pitch 12 Tooth S4.5M The D&D Global 350-S8M-2832 is

The D&D Global 350-S8M-2832 is a synchronous timing belt with S8M-pitch profile

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The 16T10/640US is a timing belt from D&D Global's Dura-True Torque Urethane Steel - T10 Series line

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The Continental 14GTR-1568-68 FALCON is a standard V-belt

BlackStar H10B12 - British Standard Sprocket - #10 Pitch 12 Tooth S4.5M The D&D Global 350-S8M-2832 isThe BlackStar H10B12 is a British Standard #10 pitch B Hub roller chain sprocket with 12 teeth, manufactured from steel. British Standard sprockets meet ISO 606 specifications for chain drives in metric and imperial European applications. Plain bore design finish to required shaft size during installation. Specifications Part Number H10B12 Product Type British Standard Sprocket Standard ISO 606 British Standard #10 Chain Pitch #10 Hub Style B Hub