roller chain,roller chain,roller chain,roller chain,roller chain,roller chain,roller chain,roller chain,roller chain ANSI 80 /DIN 16A-1 standard roller chain 1.material ... Chains)7. Leaf chains: LH series8. Double pitch conveyor chains with attachments: 2040,2050,2060,20809. Nickel-plated ... 25NP,35NP,41NP,40NP,50NP10. Coupling chains The Chain technic treatment is as below:1.Shot peening2.Bluing3 ...