4B forged conveyor chain links / drag chain is made out of high grade alloy steel and treated with special heat. The heat treatment process enables the product to have a more resilient ductile core designed for resistant to shock. Also, it has an extremely hard exterior surface enabling it to have high wear resistance. For this equipment, it comes with three main style, the standard, double and triple links. It comes with different variation of chain pitches such as 102LA, 102NA, 125NA, 142LA, 142NA, 142HA, 150NA, 160NA, 175NA, 200NA, 216NA, 250NA, 260NA. Plus, the double and triple styles are designed for specific application which has a superior capacity throughput.