High Torqure Transmisson Arc teeth HTD14M Synchronous Belt Perimeter/Pitch Length=3360/3500/3654/3850/3920mm Pitch 14mm/0.551inchTeeth Number 240T 250T 261T 275T 280T Neoprene Rubber Fiberglass in Closed-loopWidth 28.5mm/30mm/40mm/50mm/85mm HTD 14M Timing Belt 3360-14M 3500-14M 3654-14M 3850-14M 3920-14M(The 14M Synchronous belt Perimeter have 3360/3500/3654/3850/3920mm) (please choose Belt perimeter and width and quantity)HTD 14M Synchronous Belt Closed-Loop Features:Features: .HTD 3M 5M 8M 14M are Arc Teeth Synchronous Belt.suitable for High Torqure Transmisson.HTD 14M Synchronous Belt Closed-Loop Drawing and Specs:HTD 14M Synchronous Belt in closed-loop Belt (Internal perimeter=Pitch length)Belt TypeInternal Perimeter(mm)Teeth Number3360-14M33602403500-14M35002503654-14M36542613850-14M38502753920-14M3920280Belt Pitch: 14mm(0.551inch) Belt Width: 28.5mm/30mm/40mm/50mmMaterial:Neoprene Rubber with fiberglass coreColor: BlackHTD 14M Synchronous Belt in closed-loop Belt (Internal perimeter=Pitch length)Belt TypeInternal Perimeter(mm)Teeth Number3360-14M33602403500-14M35002503654-14M36542613850-14M38502753920-14M3920280Belt Pitch: 14mm(0.551inch)