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D-329B-05 Compression spring is sold as a box of 12 pieces. The listed price is for the complete 12-piece box, not for a single spring.

Built for buyers who search by exact spring reference, D-329B-05 gives you the key dimensions and load data needed before ordering.

Technical highlights include material: EN 10270-1, wire diameter: 4 mm, outer diameter: 30 mm, free length: 125 mm, spring rate: 12.365 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: Compression spring
  • Best for: maintenance, replacement, prototyping, and specification-led purchasing

Technical specifications

Article number D-329B-05
Material EN 10270-1
Spring ends Closed and ground
Wire diameter [d] 4 mm
Inner coil diameter [Di] - mm
Mean coil diameter [D] 26 mm
Outer coil diameter [De] 30 mm
Maximum mandrel diameter [Dd] 21.3 mm
Minimum housing diameter [Dh] 31 mm
Free length [L0] 125 mm
Buckling length [Lk] mm
Max. static force [Fn] 756.24 N
Min. static length [Ln] 63.84 mm
Max. static deflection [sn] 61.16 mm
Max. dynamic force [Fndyn] 686.277 N
Min. dynamic length [Lndyn] 69.5 mm
Max. dynamic stroke [shdyn] 20.97 mm
Spring pitch [S] 10.083 mm
Active coils [n] 12 pc.
Total coils [nt] - pc.
Spring rate [R] 12.365 N/mm
Weight per spring 113.5904 g

Please check all measurements carefully before ordering. Spring performance can vary depending on installation conditions and application requirements.

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