81X roller chain is a conveyor style (straight side plate) roller chain commonly used in material handing applications such as the lumber industry. The Nitro 81X chain is manufactured using high quality raw materials and special heat treatment processes for optimum strength. Our 81X chain will outperform our competitions 81X chain! Nitro 81X conveyor roller chain is offered in standard, heavy duty and super heavy duty for extreme applications. Many OEM's trust the Nitro™ brand due to premium quality chains and competitive pricing. Looking for a large volume quote? contact us for a quote today.