dshl

B series roller chains 1.material:40MN/A3 2.pitch:6.0-114.3mm 3.plate thickness:0.6-17.0mm 4.color:natural.black.blue.yellow B series roller chains 1.material:40MN/A32.pitch:12.700mm3.plate thickness:1.50mm4.color:natural.black.blue.yellow5.has taken measures to better antirust6.long-life duration and high strength7.pre-stretched and anti-fatigue8.sound quality,reasonable price and prompt ...