Description
Product Overview
The Saelno 24mm quick disconnect bushing is engineered for industrial applications, featuring a robust ASTM 1045 steel construction that ensures durability and long-term performance. With a shaft diameter of 24mm and standard keyseats measuring 8mm x 3.3mm, this bushing provides a precise fit for SDS-type taper pulleys and sheaves. The surface undergoes an oxidation blackening treatment, offering excellent rust prevention to withstand harsh environments. It includes three screws (1/4-20UNC x 1-3/8) and one additional screw (1/4-20UNC x 3/8) specifically for keyway locking, enhancing stability during operation. Weighing 1.65 pounds and with compact dimensions of 3.28 x 3.27 x 1.41 inches, it combines strength with ease of handling.

Usage
This bushing is designed for industrial and scientific settings, where it is primarily used to lock SDS-type taper pulleys and sheaves in machinery such as conveyor systems, agricultural equipment, and manufacturing tools. It suits environments requiring reliable shaft connections, such as workshops, factories, and maintenance facilities, targeting professionals like mechanical engineers, technicians, and maintenance crews who need secure, quick-disconnect solutions for efficient assembly and disassembly.
Why Choose Us
Our Saelno bushing stands out due to its high-quality ASTM 1045 material, which provides superior strength and resistance to wear, ensuring it outperforms generic alternatives. The oxidation blackening treatment not only prevents rust but also extends the product’s lifespan in corrosive conditions. We focus on precision manufacturing, with accurate keyseat dimensions and screw placements that guarantee a tight fit and reduce vibration, offering peace of mind for demanding applications.
Key Features
- Constructed from ASTM 1045 steel for enhanced durability and load-bearing capacity.
- Black oxidation finish provides excellent rust prevention in humid or industrial environments.
- Designed with a 24mm shaft diameter and standard keyseats for secure fitting with SDS-type pulleys.
- Includes multiple screws for reliable keyway locking, minimizing slippage and ensuring stability.
- Easy installation process with alignment guides for quick setup and reduced downtime.
FAQ
What is the shaft diameter of this bushing?
The bushing has a shaft diameter of 24mm, making it compatible with standard industrial pulleys and sheaves.
How does the oxidation treatment help?
The black oxidation finish acts as a protective layer, significantly reducing the risk of rust and corrosion, which is ideal for use in moist or abrasive conditions.
Can I use this bushing for non-SDS applications?
While optimized for SDS-type taper pulleys, it may be adapted for similar shaft-locking tasks, but we recommend verifying compatibility with your specific equipment.
What screws are included for installation?
It comes with three 1/4-20UNC x 1-3/8 screws and one 1/4-20UNC x 3/8 screw dedicated to keyway locking, providing a secure fastening solution.
Is this bushing reusable?
Yes, the durable steel construction allows for multiple uses, though inspect for wear after heavy cycles to maintain performance.




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