Description
When you’re running a snowblower, rotary cutter, or manure spreader behind your New Holland tractor, shear bolts are your first line of defense against expensive drivetrain damage. These sacrificial bolts are designed to break when your PTO-driven equipment hits something solid—like a buried rock or fence post—protecting your gearbox from costly repairs that could sideline you for weeks.
What You’re Getting
- Ten complete sets of 3/16″-24 x 1-1/2″ grade 5 hex head bolts with matching flanged lock nuts
- Grade 5 steel construction that provides the right balance of strength and controlled failure
- Zinc-plated nuts resist corrosion and thread galling for repeated use
- Ready to install with proper .21″ shank diameter for standard PTO implement applications
- Bulk pack gives you spares for multiple seasons of operation
Built for Real Farm Work
These shear bolts fit a wide range of PTO-driven implements commonly used with New Holland tractors. Whether you’re clearing snow with a three-point blower, cutting brush with a rotary cutter, or spreading manure, these bolts mount in the driveline coupling where torque transfer needs protection.
Made to Last
The grade 5 steel provides consistent shear strength that’s engineered to fail at the right load—strong enough for normal operation but weak enough to break before expensive gears do. The flanged lock nuts stay tight under vibration and make replacement quick when you need to swap in a fresh bolt after a shear event.
Good to Know
Keep a few spare bolts in your toolbox since shear bolts are meant to be replaced after they do their job. When installing, don’t overtighten—just snug the nut down until the flanged portion contacts the coupling face. A properly installed shear bolt should have just a bit of thread showing past the nut.
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