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Z-357I Extension Springs is sold as a box of 12 pieces. The listed price is for the complete 12-piece box, not for a single spring.
Designed for specification-led purchasing, Z-357I makes it easy to compare the spring rate, free length, and coil dimensions in one place.
Technical highlights include material: EN 10270-1, wire diameter: 7 mm, outer diameter: 50 mm, spring rate: 4.427 N/mm. Use the specification table below to verify the dimensions and performance data against your application before placing an order.
- Pack size: 12 pieces per box
- Price basis: price shown is for one box containing 12 springs
- Product type: Extension Springs
- Best for: maintenance, replacement, prototyping, and specification-led purchasing
Technical specifications
| Article number | Z-357I |
|---|---|
| Material | EN 10270-1 |
| Wire diameter [d] | 7 mm |
| Mean coil diameter [D] | - mm |
| Outer coil diameter [De] | 50 mm |
| Total coils [nt] | - pc. |
| Spring rate [R] | 4.427 N/mm |
| Weight per spring | 2928.9214 g |
Please check all measurements carefully before ordering. Spring performance can vary depending on installation conditions and application requirements.