... thickness:1.5-9.5mm A series 50 short pitch industrial roller chain 1.material:40MN/A32.pitch range:1270-76 ... your own logo Main products as the following: 1.Motorcycle Chains: 25H (04CH), 415, 415H, 420, 420H, 428, 428H, 520, 520H ... ,428,520,525,530,630 (Racing Chains)7. Leaf chains: LH series8. Double pitch conveyor chains with attachments: 2040,2050,2060,20809. Nickel ...