Part numbers that have a (D) in it for example A-RC40DIMP means it is a double strand chain.

Part numbers that have a (H) in it for example A-RC50HIMP means a heavy chain.

IMPORT ROLLER CHAIN	AMERICAN ROLLER CHAIN	METRIC ROLLER CHAIN
Import Roller Chain	American Roller Chain	Metric Roller Chain
Import Connecting Links	American Connecting Links	Metric Connecting Links
Import Offset Links	American Offset Links	Metric Offset Links

PINTLE ROLLER CHAIN	CONVEYOUR ROLLER CHAIN	STAINLESS STEEL ROLLER CHAIN
Pintle Chain	Conveyor Chain	Stainless Steel Roller Chain
Pintle Conn & Attaching Links	Conveyor Connecting Links	Stainless Steel Connector Links
Pintle Attaching Links	Conveyor Offset Links	Stainless Steel Offset Links

HARDWARE

Roller Chain Hardware