1 Induction-Hardened Pins
The single most effective way to extend chain life is through induction-hardening the chain pins. This is so beneficial that it is now standard on all our welded steel mill chain with a 1″ and 1-⅛″ pin.
2 Precision Taper-Fit Pins
All Mac mill chain with a 1″ and a 1-⅛″ rivet are constructed with Mac Precision Taper Fit pins. They provide 100 percent contact between the pin and the sidebar, reducing wear and increasing chain life.