1 M series conveyor chains A2 2 High-quality alloy steel 3 CNC ... 4 Strong processing capacity of parts 1. We produce M series conveyor chains ( pitch 40, 50, 63, 80, 100, 125, ... , 500, etc.).2. Without rollers, with S small roller type, with P large roller type, with F flanged roller type3. General attachment ... of parts to ensure delivery and lower prices. M series conveyor chains with A2 attachments