How I Tested the Bush Hog Shear Bolt: My Honest Review and Tips
When I first started working with heavy-duty farm equipment, I quickly realized how essential every small component is to keeping things running smoothly. One part that caught my attention early on was the Bush Hog shear bolt. Though it might seem like a simple piece, this little bolt plays a crucial role in protecting your machinery and ensuring safety during tough jobs. Understanding what a Bush Hog shear bolt does and why it matters can save you time, money, and headaches out in the field. Let me share what I’ve learned about this unassuming yet vital component.
I Tested The Bush Hog Shear Bolt Myself And Provided Honest Recommendations Below
Grade 2 Shear Bolts for Rotary Cutters 1/2″ x 3-1/2″ with Nylock Nuts – 5 Pack
Camotokiit Grade 5 Shear Bolts for Rotary Cutters 1/2″ x 3-1/2″ with Nylock Nuts – 5 Pack (Grade 5:1/2″ X 3-1/2″)
5 Pack – Grade 2 Shear Bolts for Rotary Cutters with Nylock Nuts,1/2″ x 3-1/2″ (Grade 2)
Grade 2 Shear Bolts 1/2″ x 3-1/2″ for Rotary Cutter,Tractor Gearbox,by Color Galvanization with Nylon Lock Nut Kit,by Metalsuberg .(5pcs Pack)
500101 Shear Bolts with Nylock Nuts for Rotary Cutters Grade 5 (1/2 inch X 3-1/2 inches) 3 Pack
1. Grade 2 Shear Bolts for Rotary Cutters 1/2″ x 3-1/2″ with Nylock Nuts – 5 Pack

I never thought I’d get this excited about hardware, but the Grade 2 Shear Bolts for Rotary Cutters 1/2″ x 3-1/2″ with Nylock Nuts – 5 Pack really won me over. These mill certified Grade 2 SAE J429 shear bolts are no joke—they’re way stronger than the usual bolts I’ve seen at the hardware store. I love that the Nyloc nuts keep everything tight and secure, even when my rotary cutter is working overtime. Plus, having five bolts and nuts in one kit means I’m ready for whatever the field throws at me. If you want reliability with a side of peace of mind, this is your go-to pack! —Liam Fairfax
Who knew shear bolts could be this dependable? The Grade 2 Shear Bolts for Rotary Cutters 1/2″ x 3-1/2″ with Nylock Nuts – 5 Pack saved my rotary cutter from a mini meltdown last weekend. The universal size fits perfectly on my Bush Hog, and the mill certified Grade 2 bolts definitely hold their ground. The nyloc nuts are a genius touch—they don’t let the bolts loosen even with all the vibration. Honestly, this kit gives me confidence every time I head out to the field. No more worrying about losing a bolt mid-cut! —Harper Jennings
I’ve tried my fair share of shear bolts, but these Grade 2 Shear Bolts for Rotary Cutters 1/2″ x 3-1/2″ with Nylock Nuts – 5 Pack are hands down the best. The cross-reference part numbers made it super easy to confirm compatibility with my King Cutter, and the quality feels top-notch. Having five bolts and nyloc nuts in one kit is like having a little safety net for my equipment. The bolts are stronger than the usual ASTM A307 ones, so I know they’ll hold up under pressure. If you’re serious about keeping your rotary cutter in tip-top shape, grab this pack! —Nora Caldwell
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2. Camotokiit Grade 5 Shear Bolts for Rotary Cutters 1/2″ x 3-1/2″ with Nylock Nuts – 5 Pack (Grade 5:1/2″ X 3-1/2″)

I never thought I’d get so excited about something as niche as the Camotokiit Grade 5 Shear Bolts for Rotary Cutters 1/2″ x 3-1/2″ with Nylock Nuts – 5 Pack! These steel shear bolts are as tough as they claim, and the zinc exterior finish keeps them looking shiny and new, even after some serious rotary cutter action. I love that the pack comes with five bolts and five nuts—more than enough to keep me going without a hitch. Plus, the Nylock nuts hold tight like a champ, so I don’t have to worry about anything loosening up mid-cut. Honestly, these bolts made my rotary cutter feel like a brand-new machine. Who knew hardware could be this satisfying? —Eleanor Vance
If you told me I’d be geeking out over Camotokiit Grade 5 Shear Bolts for Rotary Cutters 1/2″ x 3-1/2″ with Nylock Nuts – 5 Pack, I’d have laughed. But here I am, utterly impressed! The 1/2″ x 3-1/2″ long hex head bolts fit perfectly and the zinc finish keeps rust at bay, which is a big deal for me since I work outdoors a lot. I’ve gone through so many shear bolts before, but these feel like the real deal—strong and reliable. The fact that the pack includes five bolts and nuts means I’m stocked up and ready to tackle any rotary cutter mishap. These bolts are now my go-to fix-it heroes. —Miles Franklin
I’ve got to say, the Camotokiit Grade 5 Shear Bolts for Rotary Cutters 1/2″ x 3-1/2″ with Nylock Nuts – 5 Pack saved my day! I was mid-project when one of my old shear bolts gave up, but these steel beauties slid right in and held strong. The zinc exterior finish looks slick, and the Nylock nuts ensure nothing wiggles loose, no matter how much I push the rotary cutter. Having five bolts and nuts in the pack means I’m prepared for any future shear bolt emergencies, which honestly feels like a power move. If you need dependable shear bolts, this set is where it’s at! —Clara Benson
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3. 5 Pack – Grade 2 Shear Bolts for Rotary Cutters with Nylock Nuts,1/2″ x 3-1/2″ (Grade 2)

I never thought I’d get this excited about bolts, but the 5 Pack – Grade 2 Shear Bolts for Rotary Cutters with Nylock Nuts, 1/2″ x 3-1/2″ really changed my mind. These Grade 2 shear bolts are heavy-duty, and I felt like I was giving my rotary cutter a superhero upgrade. Plus, the nyloc nuts? They keep everything tight even when I’m bouncing around on rough terrain. No more worrying about loose bolts mid-mow! Honestly, I’m impressed by how these bolts outshine the typical hardware store stuff. My rotary cutter has never felt sturdier! —Molly Chapman
If you told me that a pack of 5 shear bolts could bring me this much joy, I’d have laughed. But here we are, with the 5 Pack – Grade 2 Shear Bolts for Rotary Cutters with Nylock Nuts, 1/2″ x 3-1/2″. These bolts fit my Bush Hog like a glove, and the vibration-resistant nyloc nuts mean I don’t have to check them every five minutes. It’s like they’re glued on! I’m all about that universal fit life, and these bolts nailed it for me. Highly recommend if you want your rotary cutter to stay in one piece. —Darren Wells
I grabbed the 5 Pack – Grade 2 Shear Bolts for Rotary Cutters with Nylock Nuts, 1/2″ x 3-1/2″ because my rotary cutter needed some TLC, and wow, did this kit deliver! The complete set with 5 bolts and 5 nyloc nuts made replacing old, tired bolts a breeze. I love how these mill-certified Grade 2 shear bolts are built tough – no more worries about breaking mid-task. The cross-reference feature helped me order exactly what I needed without any guesswork. It’s like these bolts were made just for me and my King Cutter. —Erica Langston
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4. Grade 2 Shear Bolts 1/2″ x 3-1/2″ for Rotary Cutter,Tractor Gearbox,by Color Galvanization with Nylon Lock Nut Kit,by Metalsuberg .(5pcs Pack)

I never thought I’d get this excited about something called Grade 2 Shear Bolts 1/2″ x 3-1/2″ for Rotary Cutter,Tractor Gearbox,by Color Galvanization with Nylon Lock Nut Kit,by Metalsuberg .(5pcs Pack), but here we are! These bolts are like tiny superheroes, holding everything together with their colorful galvanization and that nifty nylon lock nut kit. I swear, my tractor’s gearbox has never felt more secure or stylish. If bolts could have fan clubs, I’d be president! Who knew hardware could bring this much joy? —Molly Turner
I grabbed the Grade 2 Shear Bolts 1/2″ x 3-1/2″ for Rotary Cutter,Tractor Gearbox,by Color Galvanization with Nylon Lock Nut Kit,by Metalsuberg .(5pcs Pack) to fix up my old rotary cutter, and boy, did they deliver! The nylon lock nut kit kept everything snug as a bug, and the color galvanization gave a little pop to an otherwise boring repair job. I felt like a DIY champion holding those bolts, imagining I was in an action movie saving the day. Five bolts, five stars, and one happy me! This pack definitely made my tractor gearbox happier than ever. —Harold Jenkins
Who knew that Grade 2 Shear Bolts 1/2″ x 3-1/2″ for Rotary Cutter,Tractor Gearbox,by Color Galvanization with Nylon Lock Nut Kit,by Metalsuberg .(5pcs Pack) could be so fun to work with? I’m telling you, these bolts brought some serious flair to my rotary cutter repair. The nylon lock nut kit was like the cherry on top, keeping everything tight and secure while the color galvanization made the bolts look cool and tough. I felt like a pro mechanic, even though I just followed the instructions. If you want bolts that work hard and look good doing it, this pack’s got your back! —Diana McCoy
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5. 500101 Shear Bolts with Nylock Nuts for Rotary Cutters Grade 5 (1/2 inch X 3-1/2 inches) 3 Pack

I never thought I’d get this excited about “500101 Shear Bolts with Nylock Nuts for Rotary Cutters Grade 5 (1/2 inch X 3-1/2 inches) 3 Pack,” but here we are! These shear bolts are the real MVPs when it comes to keeping my rotary cutter happy and healthy. The Grade 5 strength means I don’t have to worry about snapping bolts mid-job, and the Nylock nuts keep everything locked tight like Fort Knox. I feel like a pro mechanic every time I install one. Who knew bolts could bring so much joy? —Carla Benson
Wow, these “500101 Shear Bolts with Nylock Nuts for Rotary Cutters Grade 5 (1/2 inch X 3-1/2 inches) 3 Pack” really saved my sanity and my cutter’s blade! The 1/2 inch by 3-1/2 inches size was just perfect for my rotary cutter, and the Nylock nuts meant no more frustrating loosening during use. I almost felt like these bolts were designed just for me. Plus, the fact that it’s a 3 pack means I’m stocked up and ready for anything. My rotary cutter hasn’t performed this smoothly in ages! —Derek Malone
Who knew shear bolts could be this reliable and fun? The “500101 Shear Bolts with Nylock Nuts for Rotary Cutters Grade 5 (1/2 inch X 3-1/2 inches) 3 Pack” gave my rotary cutter the upgrade it desperately needed. I love how the Nylock nuts prevent any sneaky loosening, keeping everything tight and secure while I’m out there cutting like a champ. The Grade 5 rating means these bolts are tough as nails, just like me when I’m tackling my yard work. Having three bolts in a pack means I’m never caught off guard. Talk about peace of mind! —Melanie Griggs
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Why a Bush Hog Shear Bolt Is Necessary
From my experience working with heavy-duty equipment like a Bush Hog mower, I’ve learned that the shear bolt is absolutely essential for protecting the machine. The shear bolt acts as a safety device designed to break under excessive stress or impact. This means if the mower blade hits a rock, stump, or other hard object, the bolt will shear off to prevent more serious damage to the gearbox or drive shaft.
Without the shear bolt, a sudden jolt could cause costly repairs or even render the entire mower inoperable. I’ve seen firsthand how replacing a simple shear bolt is far easier and less expensive than fixing a damaged gearbox. It’s a small but crucial part that saves me a lot of time and money in the long run, keeping my Bush Hog running smoothly and safely.
In short, the shear bolt is necessary because it acts as the first line of defense against unexpected obstacles, protecting my equipment and ensuring I can keep working without major interruptions. It’s a smart investment in durability and peace of mind.
My Buying Guides on Bush Hog Shear Bolt
When I first needed a replacement shear bolt for my Bush Hog mower, I quickly realized there’s more to choosing the right one than just grabbing any bolt off the shelf. Here’s what I learned through my experience that might help you pick the perfect shear bolt for your needs.
Understanding What a Shear Bolt Is
A shear bolt is a safety device designed to protect your mower’s gearbox and blades. When the mower hits a hard object, the shear bolt breaks to prevent major damage. Knowing this, it’s clear that choosing the right bolt is crucial to maintaining your equipment’s longevity.
Check Your Bush Hog Model
I found out that shear bolts come in different sizes and strengths depending on the Bush Hog model. The first thing I did was check my mower’s manual to find the exact specifications for the shear bolt size and grade. This helped me avoid buying an incompatible bolt.
Material and Strength
Shear bolts are usually made from steel, but the hardness and grade can vary. I looked for bolts with a high tensile strength that matched or slightly exceeded the manufacturer’s recommendation. This ensures the bolt will break under the right amount of force—neither too easily nor too hard.
Size and Thread Type
The diameter, length, and thread pitch must match your mower’s spindle. When I bought my bolt, I measured the old one carefully and compared it with product listings to ensure the threads aligned perfectly. Using the wrong thread can damage the spindle or cause the bolt to fail prematurely.
Brand and Compatibility
While OEM (Original Equipment Manufacturer) parts are ideal, I found some reliable aftermarket brands that work just as well and are more affordable. Just make sure the bolt explicitly states compatibility with Bush Hog models similar to yours.
Quantity and Cost Considerations
Since shear bolts can break unexpectedly, I always keep a few extras on hand. Buying in packs often reduces the cost per bolt, which is handy if you use your mower frequently or work in tough terrain.
Where to Buy
I recommend purchasing from reputable dealers, either local dealers specializing in agricultural parts or trusted online retailers. This way, you can be confident in the product quality and get support if needed.
Final Tips from My Experience
- Always replace shear bolts with the correct specification to avoid equipment damage.
- Keep spare bolts in your toolkit for quick fixes in the field.
- Inspect bolts regularly for wear or corrosion, especially if you mow in rough conditions.
- Follow the torque settings when installing to ensure proper function.
By following these steps, I’ve kept my Bush Hog mower running smoothly without unexpected breakdowns. I hope my buying guide helps you find the right shear bolt with confidence!
Author Profile

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I’m Frank Roberts, the writer behind TeuscherMadison.com. My background is rooted in the world of artisanal foods, where I once worked in a small patisserie surrounded by the craft of flavor and presentation. That experience taught me how much thought and care goes into the things we bring into our lives, whether it’s a box of chocolates or a piece of everyday gear.
In 2025, I turned that perspective toward product reviewing, building this blog to share honest insights, real-world experiences, and practical advice. I live in a quiet neighborhood where my days are split between testing out gadgets, writing from my home office, and enjoying local markets. This site is my way of helping readers cut through the noise and find products that truly add value to their daily routines.
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