OEM ELIPTICAL HEAD BOLT AND WHIZ NUT TO FIT JD 600 SERIES GRAIN HEADS. BOLT AND NUT SECURE SECTION TO KNIFE BACK IN ALL LOCATIONS BUT AT THE HEAD 50/PKG
This item is a suitable alternative for the following: 491-550601D, H158341, B55-0600D, 550600D, 491-550600D, 14M7303