Overview
The Dayton 1L629A set-screw shaft collar is a one-piece industrial-grade component designed for precise shaft positioning and retention. Set screw shaft collars are a proven, economical, and popular industrial product. With a 1-5/8″ bore diameter, this collar accommodates standard industrial shafts and delivers reliable holding power across machinery, conveyor systems, and automation equipment. This listing includes a convenient lot of 10 units, new in box.
Key Features
- One-piece solid construction for durability and strength
- Set-screw locking mechanism for secure shaft retention
- 1-5/8″ bore diameter fits standard industrial shafts
- Stainless steel and zinc-plated options available depending on application environment
- Low-cost, economical design without sacrificing holding reliability
- Ideal for quick installation and removal
Technical Specifications
The Dayton 1L629A maintains consistent dimensional and material standards across the industrial line:
- Bore Diameter: 1-5/8″
- Collar Type: One-Piece, Set-Screw
- Material: Carbon Steel (standard) or Stainless Steel (optional variants)
- Construction: Solid, machine-finished
- Screw Type: Set-screw mechanism for positive locking
- Quantity: 10 units per lot
Typical Applications
- Conveyor and belt-drive systems requiring shaft positioning
- Industrial machinery and equipment shaft retention
- Power transmission systems and motor drive shafts
- Automation control systems requiring repeatable positioning
- Pump and fan impeller shaft locking
- General mechanical assembly where collars prevent axial shaft movement
Compatibility & Replacements
Compatible With
- Any industrial application using 1-5/8″ diameter shafts
- Standard motor shafts, transmission shafts, and drive shafts
- Coupling systems and pulley assemblies rated for this bore size
- Machinery requiring simple, cost-effective shaft positioning
Replaces / Drop-In Replacement For
- Equivalent one-piece set-screw collars with 1-5/8″ bore diameter from competing manufacturers
- Verify compatibility with your system integrator before ordering if replacing an existing collar
Works With
- Industry-standard steel and stainless steel shafts
- Any mechanical power transmission system requiring simple axial locking
- No software, network, or digital integration required — purely mechanical component
















