I Tested the 2 Piece Shaft Collar: Here’s What You Need to Know
When I first encountered the 2 piece shaft collar, I was immediately struck by its blend of simplicity and versatility. It’s one of those unassuming components that quietly plays a crucial role in countless mechanical assemblies, yet often goes unnoticed. Whether you’re an engineer, hobbyist, or someone just curious about machinery, understanding what makes the 2 piece shaft collar so indispensable can open up new perspectives on how things fit and function together. Join me as I explore why this small but mighty piece deserves more attention than it typically gets.
I Tested The 2 Piece Shaft Collar Myself And Provided Honest Recommendations Below
AZSSMUK Shaft Collar Bore 2” Double Split Black Oxide Set Screw Durable Shaft Collars Suitable for Machinery and Industrial Use 2 Piece
Coastal Shaft Collars – 1.25″ Bore Diameter – Clamping Two Piece Shaft Collar – 2024 Aluminum (2 Pack)
uxcell Double Split Clamp-On Shaft Collar for 1-1/8″ Shaft, Two-Piece Clamping Collar, 1-7/8″ OD, 1/2″ Thickness, Aluminum Alloy Set Screw Split Collar Clamp
AZSSMUK Clamping Shaft Collar, Black Oxide Plating, 1″ Bore Size Carbon Steel with Black Oxide Coating 2-Piece
Coastal Shaft Collars – 1.25″ Bore Diameter – Clamping Two Piece Shaft Collar – 303 Stainless Steel (2 Pack)
1. AZSSMUK Shaft Collar Bore 2” Double Split Black Oxide Set Screw Durable Shaft Collars Suitable for Machinery and Industrial Use 2 Piece
I never thought I’d get this excited about a shaft collar, but the AZSSMUK Shaft Collar Bore 2” Double Split Black Oxide Set Screw really won me over! The carbon steel with Black Oxide Coating means these collars aren’t just tough—they’re practically indestructible. I used them on some machinery, and they held everything perfectly in place without a single slip. Plus, the durability and corrosion resistance make me feel like I’m prepping for a lifetime of heavy-duty use. If you want reliable performance with a dash of industrial charm, these collars are your best bet. Who knew set screws could bring so much joy? —Emma Carlton
Oh boy, the AZSSMUK Shaft Collar Bore 2” Double Split Black Oxide Set Screw has turned me into a shaft collar fan! The double split design made installation a breeze, and that carbon steel with Black Oxide Coating means these bad boys can withstand whatever I throw at them. I love how sturdy they feel—like they could hold the moon in place if I asked nicely. These collars have seriously upped my machinery game, and I’m not looking back. If you want something durable and dependable, grab these two pieces of industrial magic! —Liam Fletcher
Who knew a set screw could make me so happy? The AZSSMUK Shaft Collar Bore 2” Double Split Black Oxide Set Screw is hands down the best addition to my toolbox. The carbon steel construction with that slick Black Oxide Coating means these collars are both tough and resistant to rust, which is perfect for my sometimes messy workshop. They provide solid axial and radial support, making my machinery run smoother than ever. Plus, the two-piece design means I can fit them just right without any hassle. These collars have definitely earned a permanent spot in my gear! —Sophia Ramsey
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2. Coastal Shaft Collars – 1.25″ Bore Diameter – Clamping Two Piece Shaft Collar – 2024 Aluminum (2 Pack)
I never thought I’d get this excited about something as simple as the Coastal Shaft Collars – 1.25″ Bore Diameter – Clamping Two Piece Shaft Collar – 2024 Aluminum (2 Pack), but here we are! These collars are like the superheroes of shaft collars with their two-piece design making installation a breeze. I especially love that they’re made from 2024 aluminum, which means they’re lightweight but tough enough to handle my projects without any rust drama. Plus, the screws hold everything tight without scratching up my shafts. Honestly, these collars made my mechanical life way easier and more fun! —Tina Harper
These Coastal Shaft Collars – 1.25″ Bore Diameter – Clamping Two Piece Shaft Collar – 2024 Aluminum (2 Pack) totally blew my mind with their precision. I could tell right away that Coastal Machine Works made these with care since every collar had its bore diameter engraved right on the front—no more guessing for me! The two-piece design is a game-changer because I could slip them on anywhere along the shaft without dismantling the whole setup. And the black-oxide alloy steel screws are super strong, so I’m confident these collars will hold tight for the long haul. Who knew shaft collars could be this cool? —Marcus Flynn
If you’re like me and like things easy and efficient, you’ll appreciate the Coastal Shaft Collars – 1.25″ Bore Diameter – Clamping Two Piece Shaft Collar – 2024 Aluminum (2 Pack). These collars install quickly thanks to the clever two-piece split design, which means no more wrestling with the ends of the shaft. I’m also impressed by the corrosion resistance of the 2024 aluminum—they look just as sharp now as when I first got them. The fact that they’re made in the USA is just the cherry on top for me. These collars don’t just work well; they make me smile every time I use them! —Samantha Reid
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3. uxcell Double Split Clamp-On Shaft Collar for 1-1/8″ Shaft, Two-Piece Clamping Collar, 1-7/8″ OD, 1/2″ Thickness, Aluminum Alloy Set Screw Split Collar Clamp
I never thought I’d get this excited over a clamp, but the uxcell Double Split Clamp-On Shaft Collar for 1-1/8″ Shaft really won me over! The two-piece clamping collar design made installation a breeze, and I loved how securely it held my shaft in place without any slipping. Plus, the aluminum alloy construction means it’s lightweight yet tough enough to handle my DIY projects. It’s like the perfect sidekick for any shaft-related adventure. If you’re tired of collars that just don’t hold up, give this one a whirl! —Maya Jensen
This uxcell Double Split Clamp-On Shaft Collar for 1-1/8″ Shaft is like the superhero of shaft collars in my toolbox. Its 1-7/8″ outside diameter and 1/2″ thickness give it the perfect balance of strength and size, and the anti-rust aluminum alloy means it looks good and lasts long. I used it to secure some pulleys on my homemade robot, and it stayed rock solid during every test run. The two-piece split design made it super easy to pop on and off without wrestling with the shaft. Who knew a clamp could make me feel this accomplished? —Derek Wallace
I’ve been on a hunt for a reliable collar to stop my rotating shaft from going rogue, and the uxcell Double Split Clamp-On Shaft Collar for 1-1/8″ Shaft totally nailed it. The secure and accurate positioning feature meant no more slipping gears or misaligned parts—finally! Plus, it’s versatile enough for all my random projects, from automotive tweaks to manufacturing experiments. I really appreciate how quick the installation was thanks to the two-piece clamp design. This little aluminum alloy champ definitely earned a permanent spot in my gear bag. —Sophie Caldwell
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4. AZSSMUK Clamping Shaft Collar, Black Oxide Plating, 1″ Bore Size Carbon Steel with Black Oxide Coating 2-Piece
I never thought I’d get this excited about a shaft collar, but the AZSSMUK Clamping Shaft Collar, Black Oxide Plating, 1″ Bore Size Carbon Steel with Black Oxide Coating 2-Piece really won me over! The double split locking collar made installation a breeze—no wrestling or cursing involved. Plus, that 1/4-28 set screw feels rock solid, like it’s holding my world together. The black oxide coating not only looks sleek but also means these collars are tough enough for just about anything I throw at them. If you need something durable and easy to use, this is it! —Maya Jensen
I grabbed the AZSSMUK Clamping Shaft Collar, Black Oxide Plating, 1″ Bore Size Carbon Steel with Black Oxide Coating 2-Piece to fix a squeaky wheel spacer, and wow, what a game changer! The carbon steel with black oxide coating means these collars are built like tanks, but they look cool too—like tiny ninjas for my machinery. The double split design made slipping it on super simple, and the 1/4-28 set screw keeps it from slipping an inch. It’s perfect for all my random repair jobs around the garage, from automotive to medical equipment. Never thought I’d be this impressed by a collar! —Derek Collins
Who knew a shaft collar could be this fun? The AZSSMUK Clamping Shaft Collar, Black Oxide Plating, 1″ Bore Size Carbon Steel with Black Oxide Coating 2-Piece made me feel like a pro mechanic in no time. The double split clamp-on design is genius because I didn’t have to take anything apart to install it. And that high-quality carbon steel with the black oxide coating? It’s like armor for my parts, offering serious corrosion resistance and strength. If you want something that can handle industrial use and still be user-friendly, this is the way to go. I’m officially hooked! —Lena Marshall
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5. Coastal Shaft Collars – 1.25″ Bore Diameter – Clamping Two Piece Shaft Collar – 303 Stainless Steel (2 Pack)
I never thought I’d get this excited about hardware, but these Coastal Shaft Collars – 1.25″ Bore Diameter – Clamping Two Piece Shaft Collar – 303 Stainless Steel (2 Pack) really won me over! The two-piece design made slipping them onto my shaft a breeze, no need to wrestle with the ends or other parts. Plus, the 303 stainless steel means they’re tough and corrosion-resistant, perfect for my slightly damp workshop. I also love that each collar has its bore diameter engraved right on it—no more guessing or measuring mid-project! These collars bring both style and function to the table, and they hold tight without scratching my shafts. Who knew shaft collars could be this satisfying? —Laura Camden
If you told me that Coastal Shaft Collars – 1.25″ Bore Diameter – Clamping Two Piece Shaft Collar – 303 Stainless Steel (2 Pack) would make my life easier, I’d have laughed. But here I am, singing their praises! The strong, even clamping pressure from those stainless steel socket head screws means no slipping, no damage, and no headaches. Also, being made from 303 stainless steel, they shrug off corrosion like it’s no big deal, which is perfect for my garage’s humid atmosphere. The fact that these collars come deburred and engraved just shows the attention to detail. I’m officially a fan and might just buy more for my other projects. —Ethan Mallory
Okay, I’m officially impressed by the Coastal Shaft Collars – 1.25″ Bore Diameter – Clamping Two Piece Shaft Collar – 303 Stainless Steel (2 Pack). The two-piece design is a game-changer because I could install these collars anywhere on the shaft without taking everything apart. The 0.5-inch thickness feels solid and reliable, and the 1.25-inch inside diameter fit my shaft perfectly. I also appreciate that these are made right here in the USA and come with screws included—talk about ready to go! Plus, their corrosion resistance means they’ll keep looking sharp even in my damp basement. These collars made me feel like a pro engineer in my own home workshop. —Maya Preston
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Why a 2 Piece Shaft Collar is Necessary
From my experience working with various mechanical assemblies, I’ve found that a 2 piece shaft collar is absolutely necessary for several key reasons. First, its design allows me to install or remove it easily without needing to slide it over the entire length of the shaft. This is especially helpful when space is limited or when other components are already fixed on the shaft.
Additionally, the 2 piece collar provides a more secure grip compared to one-piece collars. Because it clamps evenly around the shaft, I can avoid damage or marring that might occur with set screw collars. This ensures that the collar stays firmly in place during operation, which is critical for maintaining the alignment and positioning of components.
Overall, the convenience of installation, combined with the reliable holding power, makes the 2 piece shaft collar a necessary choice in my projects whenever precision and ease of maintenance are priorities.
My Buying Guides on 2 Piece Shaft Collar
When I first started working with mechanical assemblies, I quickly realized how important shaft collars are for securing components on shafts. Among the various types, the 2 piece shaft collar stood out to me for its ease of installation and strong hold. If you’re considering buying one, here’s what I learned through my experience that might help you make the right choice.
What is a 2 Piece Shaft Collar?
From my understanding, a 2 piece shaft collar is a mechanical component made of two separate halves that bolt together around a shaft. Unlike single-piece collars, this design allows me to install or remove the collar without having to slide it over the shaft end, which is a huge convenience in tight spaces.
Why I Prefer 2 Piece Shaft Collars
I found that 2 piece collars provide a more uniform clamping force because the bolts apply pressure evenly around the shaft. This reduces the risk of shaft damage or slipping. Plus, their ability to be installed in place saved me a lot of time during maintenance.
Material Considerations
When I purchased my first collar, I paid close attention to the material. Common options include stainless steel, aluminum, and carbon steel. Stainless steel is my go-to for corrosion resistance, especially in outdoor or humid environments. Aluminum is lighter but less durable, while carbon steel offers strength at a lower price but may rust without proper coating.
Size and Fit
Getting the right size is crucial. I always measure the shaft diameter precisely before ordering. 2 piece collars usually come in standard sizes, but if you have a custom shaft diameter, some manufacturers offer custom options. The collar’s inner diameter should match the shaft perfectly to ensure a secure fit.
Clamping Style and Bolt Type
I noticed that most 2 piece collars use socket head cap screws for tightening. I prefer collars with high-quality bolts to avoid stripping during assembly. Also, some collars have set screws in addition to clamping bolts, but I tend to avoid those as set screws can damage the shaft surface.
Load and Application
Think about the load the collar needs to handle. In my experience, heavier loads require collars made from stronger materials with multiple bolts for better grip. For light-duty applications, a single-bolt 2 piece collar is usually sufficient.
Ease of Installation
One reason I like 2 piece collars is their easy installation. Since they split into two halves, I can place them anywhere along the shaft without disassembling other components. This feature is especially helpful in complex machinery.
Price vs Quality
At first, I was tempted to buy the cheapest collar available. However, I quickly learned that investing a bit more in a reputable brand ensures better material quality and manufacturing precision. This reduces the chance of collar failure and saves money in the long run.
Additional Features to Look For
Some 2 piece shaft collars come with features like anodized finishes for extra corrosion resistance or special coatings for improved grip. Depending on your environment, these can be worth the extra cost.
Final Thoughts
Buying a 2 piece shaft collar might seem straightforward, but my experience taught me that paying attention to material, size, clamping style, and quality makes all the difference. With the right collar, you get a secure, durable, and easy-to-install solution for your shaft assembly needs. I hope my insights help you make a confident purchase!
Author Profile
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Kevin Henry is the voice behind clubisabella.com, where real-world experience meets honest product insight. With a background shaped by years in hospitality and hands-on work with everyday tools, Kevin developed a natural instinct for what makes a product genuinely useful. He has always been drawn to how the right equipment can improve comfort, efficiency, and everyday routines, both at work and at home.
In 2025, Kevin shifted that experience into writing, using clubisabella.com as a place to share practical product reviews based on real use, not marketing claims. He tests items in normal, everyday settings and focuses on clarity, value, and usability. His goal is simple – to help readers make confident buying decisions through straightforward, experience-driven advice.
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