Sleeper & Hartley Series 721
Mechanical coiler for coil IDs from 1/8 to 1.5 in, sold on the used market with power reel and tooling.
Specifications
| Manufacturer | Sleeper & Hartley |
|---|---|
| Country | United States |
| Type | Mechanical spring coiler |
| Status | Discontinued |
| Wire range | 0.46–2 mm |
| Speed | 300 pcs/min |
Specifications compiled from public manufacturer or dealer documentation; they vary by configuration and year. Always confirm with the manufacturer before deciding. Source ↗
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Open in Springs3d StudioAbout Sleeper & Hartley
Sleeper & Hartley is a legacy American maker of spring coilers and torsion winders; mid-century units remain in service and on the used market.
Frequently asked questions
What wire range does the Sleeper & Hartley Series 721 run?
Per public documentation, the Sleeper & Hartley Series 721 runs wire from 0.46 to 2 mm in diameter.
What kind of machine is the Sleeper & Hartley Series 721?
The Sleeper & Hartley Series 721 is a Mechanical spring coiler made by Sleeper & Hartley (United States).
Can I design for the Sleeper & Hartley Series 721 in Springs3d Studio?
Yes. In Springs3d Studio you can register the machine with its limits in your library and design inside its envelope, with warnings when the design drifts out of range.
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Brand names, model names and logos belong to their respective manufacturers and are used for identification only. This catalog is independent and neither affiliated with nor endorsed by the manufacturers.