REF: 201
How to Specify a Compression Spring
The key dimensions, loads and tolerances needed for an accurate manufacturing review.
Read GuideTechnical Library
Technical Resources & Spring Engineering Guides
Design guides, material references and specification tools for mechanical engineers and OEM designers.
Technical Knowledge Base
Essential references for spring specification and design.
REF: 302
Spring Material Selection Guide
Compare common spring alloys by strength, corrosion resistance and temperature capability.
Read GuideREF: 403
Understanding Spring Rate and Load
A practical introduction to force, deflection, rate and operating points.
Read GuideCAD & Drawing Support
Upload 2D drawings, 3D models or preliminary sketches for manufacturability review.
- PDF, DWG, DXF, STEP, STP, IGES and image files
- Dimensions, loads, tolerances and application notes
- Engineering review before quotation
Standard Tolerances
Reference values only. Final tolerances are confirmed for each material, geometry and application.
| Parameter | Wire Dia. Range | Standard Tolerance | Precision Tolerance |
|---|---|---|---|
| Wire Diameter | 0.2 - 2.0 mm | ± 0.02 mm | ± 0.005 mm |
| Wire Diameter | 2.0 - 5.0 mm | ± 0.03 mm | ± 0.01 mm |
| Outside Diameter | All | ± 2% of OD | ± 1% of OD |
| Free Length | All | ± 3% | ± 1.5% |