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Shaft collars are essential components in many mechanical systems, providing crucial functions like positioning, stopping, and securing. Choosing the correct set-screw shaft collar ensures reliable performance, prevents slippage, and extends the lifespan of your equipment. This guide will help you select the ideal collar for your specific industrial applications.
VALUE PACK SHAFT COLLAR SET - This pack includes 4 pieces of standard size 1-inch shaft collars with socket cup-point set screws
1” BORE SHAFT COLLARS - The shaft collars’ borehole or internal diameter is 1 inch with an outer diameter of 1-5/8 (1.63) inches and a width of 0.625 inch
CARBON STEEL WITH ZINC PLATED COATING - High-quality carbon steel offers superior strength, resulting in better axial and radial support. And with zinc plating, they have increased durability, weldability, and corrosion resistance
WITH SOCKET CUP-POINT SET SCREWS - The shaft collars use 5/16-18x5/16 socket cup-point set screws that sit flush to the collars’ surface. They’re the best choice for shaft collars as they can secure the collar onto the shaft more effectively
SUITABLE FOR INDUSTRIAL USE - Suitable for many applications in automotive, machinery repair, and even medical equipment repair. Common uses include wheel stopper/spacer, bearing faces, component locators, and more
The Shaft Collar is made of high quality Carbon Steel with Zinc Plated Material, Durable,long lasting,fine workmanship,excellent performance
Easy To Install: Easy and quick installation, Our fastening screws are already installed on the lock collar, so you don't need to install it by yourself, it's very convenient to use.
Widely Used for gearbox assemblies, motor bases, drive shafts, machine tools, agricultural implements, medical equipment, and paper and steel mill equipment, the automotive industry, the manufacturing industry, the hobby craft industry etc.
Package Included: 8pcs 1/2" Zinc Plated Shaft Collars, 8pcs Set Screws (are already installed), 1pcs Allen Key
Easy Installation: These collars are simple to install on the shaft. Just slide the collar onto the desired position and tighten the set screw with a compatible hex wrench. No extra tools or disassembly of other components needed;
Wide application:These shaft sleeves are widely used in different industries, including automotive, mechanical maintenance, industrial, etc. They can be used in various equipment and machinery to fix other components on the shaft.
Easy Installation: These collars are simple to install on the shaft. Just slide the collar onto the desired position and tighten the set screw with a compatible hex wrench. No extra tools or disassembly of other components needed;
Wide application:These shaft sleeves are widely used in different industries, including automotive, mechanical maintenance, industrial, etc. They can be used in various equipment and machinery to fix other components on the shaft.
Size: 5mm shaft collars with set screw, 10mm outside diameter, 7mm thickness
Durable Construction: Made of 303 stainless steel, high strength, strong locking force, anti-corrosion, and durability. Round bore collars are commonly used as positioners, spacers, stops, and bearing surfaces
Adjustable Positioning: The set screw design allows for adjustable positioning along the shaft. This flexibility enables fine-tuning and precise alignment of components to achieve optimal functionality and performance
Versatile Applications: These collars are widely used across different industries, including automotive, robotics, and RC airplane models. They can be used in various equipment and machinery to secure gears, pulleys, sprockets, or other components onto...
Easy Installation: These collars are easy to install on the shaft. Simply slide the collar onto the desired position and tighten the set screw using a compatible hex wrench. No additional tools or disassembly of other components are required
Package Content: 2-Pieces Double Split Clamp-On Shaft Collar with 4Pcs Set Screw.
CARBON STEEL WITH Black Oxide Coating - High-quality carbon steel offers superior strength, resulting in better axial and radial support. And with Black Oxide Coating, they have increased durability, weldability, and corrosion resistance
SUITABLE FOR INDUSTRIAL USE - Suitable for many applications in automotive, machinery repair, and even medical equipment repair. Common uses include wheel stopper/spacer, bearing faces, component locators, and more
Made of High quality 304 Stainless Steel, better weld ability and resistance to corrosion than the regular steel
Naturally Rust-Proof with Wide Temperature Tolerance: No coating to chip or wear off. The inherent chromium oxide layer provides permanent protection against moisture, chemicals, salt spray, and extreme temperatures. Perfect for marine applications, food...
Suitable for gearbox assemblies, motor bases, machine tools, drive shafts, agricultural implements, medical equipment, and paper and steel mill equipment, the automotive industry, the manufacturing industry, the hobby craft industry and many more.
Slip-On Installation from Shaft End: As a non-split (solid) bushing, installation requires sliding onto the shaft end before other components are assembled. Ideal for new builds, shaft extensions, or maintenance rebuilds where end access is available...
Zero Maintenance with Long Service Life: Unlike plastic or coated bushings that degrade over time, this stainless steel component requires no lubrication, no rust prevention treatment, and no periodic replacement. Simply install and forget—perfect for...
Package Content: 4-Pieces Double Split Clamp-On Shaft Collar with 8Pcs Set Screw.
CARBON STEEL WITH Black Oxide Coating - High-quality carbon steel offers superior strength, resulting in better axial and radial support. And with Black Oxide Coating, they have increased durability, weldability, and corrosion resistance
SUITABLE FOR INDUSTRIAL USE - Suitable for many applications in automotive, machinery repair, and even medical equipment repair. Common uses include wheel stopper/spacer, bearing faces, component locators, and more
Product Name :Zinc Plated Set Screw Shaft Collar, bore 1/2''
Slip-On Installation from Shaft End: As a non-slip (solid) bushing, installation requires sliding onto the shaft end before other components are assembled. Perfect for new equipment builds, shaft extensions, or during maintenance when end access is...
CARBON STEEL WITH ZINC PLATED COATING - High-quality carbon steel offers superior strength, resulting in better axial and radial support. And with zinc plating, they have increased durability, weldability, and corrosion resistance
WITH SOCKET CUP-POINT SET SCREWS - The shaft collars use socket cup-point set screws that sit flush to the collars’ surface. They’re the best choice for shaft collars as they can secure the collar onto the shaft more effectively
SUITABLE FOR INDUSTRIAL USE - Suitable for many applications in automotive, machinery repair, and even medical equipment repair. Common uses include wheel stopper/spacer, bearing faces, component locators, and more
ZINC PLATED CARBON STEEL 5/8” BORE SHAFT COLLARS SETS - High-quality, fits well, and cheap. We provide you with the perfect balance between affordability and quality. If you are searching for parts that will last you for quite some time, our set of...
SCREW STYLE BORE SHAFT COLLARS WITH 5/8” BORE SIZE - Though the bore size is the most important fit consideration, you’ll also need to consider other components to ensure a perfect fit. Each of these bore shaft collars has an outer diameter of...
EASY-TO-INSTALL SCREW CLAMP DESIGN - Each shaft collar features a simple yet effective screw clamp mechanism for quick, tool-friendly installation. Easily adjust or reposition without hassle—ideal for DIY users, mechanics, and technicians seeking...
SUITABLE FOR AUTOMOTIVE AND INDUSTRIAL USE - These are just two of the most common applications for these bore shaft collars. Common usage includes situating components in power steering assemblies, locating components on conveyor belt systems, and more...
WIDE RANGE OF OPERATING TEMPERATURES - These round bore shaft collars can operate within a temperature range of 0 to 250 degrees Fahrenheit (-17 to 121 degrees Celsius), making them highly suitable for a wide variety of applications that exposure to low...
Last update on 2026-09-01 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Set-Screw Shaft Collars
Understanding Set-Screw Shaft Collars
Set-screw shaft collars are mechanical devices that clamp onto a shaft using a small screw. This screw, when tightened, creates friction and pressure, effectively locking the collar in place. They are commonly used for applications such as mounting components, acting as mechanical stops, or separating multiple components on a shaft. Their simplicity and effectiveness make them a popular choice across various industries.
Key Features to Consider
Material: Collars are available in various materials like aluminum, stainless steel, and carbon steel. Aluminum is lightweight and corrosion-resistant, while stainless steel offers superior strength and corrosion resistance, ideal for harsh environments. Carbon steel provides high strength and is often used in heavy-duty applications.
Type of Set Screw: Common types include cup point, flat point, and knurled point. Cup point screws create a permanent indentation on the shaft, offering strong holding power. Flat point screws distribute pressure more evenly, suitable for softer shafts or when repositioning is frequent. Knurled point screws provide a secure grip without damaging the shaft.
Inner Diameter (ID) and Outer Diameter (OD): Ensure the collar's ID matches the shaft diameter precisely. The OD influences the collar's overall size and strength.
Clamping Mechanism: While most use a single set screw, some collars feature two set screws for enhanced holding power or a clamping design that distributes pressure more evenly without damaging the shaft.
Applications and Environment
Consider where the shaft collar will be used. For corrosive environments, stainless steel is recommended. If weight is a concern, aluminum might be a better choice. For high-torque or high-speed applications, robust materials and a secure clamping mechanism are essential. Static applications might allow for less robust options.
Comparison Tips
Holding Power vs. Shaft Damage: Evaluate the trade-off between the holding power required and the potential for the set screw to damage the shaft. Cup point screws offer strong holding but can damage the shaft. Clamping collars are gentler.
Reusability: If you anticipate needing to adjust or remove the collar frequently, consider collars with flat point screws or clamping designs that minimize shaft marring.
Load Capacity: Different materials and designs offer varying load capacities. Ensure the collar can withstand the axial and radial forces it will encounter.
Frequently Asked Questions
What is the primary function of a set-screw shaft collar?
A set-screw shaft collar's main purpose is to secure a component to a shaft or to limit movement along the shaft's length. It achieves this by tightening a screw that presses against the shaft.
How do I determine the correct size shaft collar?
The most critical measurement is the inner diameter (ID) of the collar, which must match the outer diameter of the shaft it will be used on. Ensure a snug fit for optimal performance.
What is the difference between single and double set-screw collars?
Single set-screw collars use one screw for clamping, while double set-screw collars use two. Two screws provide increased holding power and torque resistance, making them suitable for more demanding applications.
Are set-screw collars suitable for all shaft materials?
While they can be used on various shaft materials, the type of set screw matters. Cup point screws can mar softer shafts, whereas flat point or clamping collars are gentler alternatives.
When should I choose a stainless steel shaft collar over aluminum?
Stainless steel is preferred for applications exposed to moisture, chemicals, or extreme temperatures due to its superior corrosion resistance and strength. Aluminum is lighter and suitable for less demanding, non-corrosive environments.
Can a shaft collar be used for precise positioning?
Yes, shaft collars can act as precise mechanical stops or spacers. By tightening the set screw against a bearing or another component, you can fix a component's axial position on the shaft.
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