Pack of 50 Main Drive Shear Bolts and Nuts for New Holland 630 and 634 Round Balers. Also fit 638 round balers equipped with Weasler PTO driveshafts with metal shields or equipped with Weasler PTO driveshafts with plastic shields w/o high moisture equipment that use black shear bolts (high moisture equipped balers use gold shear bolts). Will NOT work with 638 balers equipped with Bondioli & Pavesi driveshafts which use M6 x 45 shear bolts. 

Size of these bolts are 12- 24 x 1-1/2" Hex Head, w/ lock nut. Replaces part numbers 58118, 80058118, 86578266. 

Part number A-86578266

We GUARANTEE the shear bolts you receive will be identical to the one pictured and will be the exact measurements stated which are the same as the original equipment manufacturer, will be the hardness specified by the original equipment manufacturer, and will perform EXACTLY the same as the original equipment manufacturer's shear bolts will in your baler. As with all of our products YOUR satisfaction is our primary concern. Please take a moment to read our warranty and return policy below.

We at Java Farm Supply want to sincerely thank you for your interest in our eBay store. With our decades of experience locating parts for vintage equipment of all makes, regardless of the age, our goal is to provide you with the parts you need, NO MATTER HOW RARE they may be. Tell us what you need, and we'll do the detective work. If it exists, we'll usually find it! What you see in our eBay store is a very small sample of what we offer, so if you don't see what you need, please send us a message and we'll promptly get to work for you!