Heavy Duty Roller chains employs characteristics such as thicker side plates, larger side plates & high strength pins to ensure a greater resistance to shock loads and fatigue.
"H" Series Economy Heavy Duty Roller chain features thicker side plates & through hardened high tensile pins to ensure a greater resistance to shock loads and fatigue.
"HE" Series Premium Japanese Heavy Duty Roller chain features thicker side plates & through hardened high tensile pins to ensure a greater resistance to shock loads and fatigue.
"H Super" Series Premium Japanese Heavy Duty Roller chain features thicker & larger side plates with through hardened high tensile pins to ensure a greater resistance to shock loads and fatigue.