Duratech attachment roller chain offers a variety of models with different pitches: P=50.8, 63, 63.5, 75, 76.2, 80, 100, 101.6, 125, 150, 152.4, 160, 200, 250, 300, 315mm, mainly used in conveying mechanical lines. The dimensions of attachment roller chains are conform to China national standard GB/T8350-1987 metric long pitch conveyor chains. Customization service according to customer's drawing is also available.