Bridgeport Mill Quill Clock Spring Assembly
Restore proper quill return with this complete quill clock spring assembly, proudly made in the USA. Built with a durable steel housing for superior strength and longevity, this assembly is designed to outperform lightweight aluminum alternatives.
This replacement clock spring fits Bridgeport and many Bridgeport-style import milling machines equipped with step pulley or variable speed heads in 1 HP, 1-1/2 HP, and 2 HP configurations.
The complete assembly includes installation instructions for straightforward replacement.
Specifications
- Made in the USA
- Heavy-duty steel housing
- Flange Outside Diameter: 2-3/4 in.
- Six mounting holes
- Housing Outside Diameter: 2 in.
- Inside Diameter: 1-3/4 in.
- Height: 1-7/16 in.
Features
- Complete quill clock spring assembly
- Fits Bridgeport and many Bridgeport-style import mills
- Compatible with step pulley and variable speed heads
- Fits 1 HP, 1-1/2 HP, and 2 HP machines
- Includes installation instructions
- Durable steel construction for long service life
Please Note: This assembly does not fit Bridgeport M-Head milling machines. Verify your machine configuration and dimensions before ordering.






