REF: COMP-01Compression Springs
Open-coil helical springs engineered to resist axial compressive force for equipment, valves and mechanisms.
View DetailsCustom Springs Manufactured to Your Specifications
Custom compression, extension, torsion and specialty springs manufactured from drawings, samples or engineering requirements for OEM and industrial applications.
Drawings • Samples • Custom Dimensions • Prototype to Production
Spring Selection Tool
Spring Finder
Filter by spring type, material and key dimensions to find nearby reference configurations, then submit a custom quotation request with your drawing.
CustomSprings Engineering Catalog
Find a Spring Configuration
Enter the main dimensions to find nearby reference configurations, then request a custom quotation.
Closest Reference Configurations
Engineered Spring Configurations
View All Spring TypesREF: COMP-01
REF: EXT-02Extension Springs
Close-wound springs with custom hooks and loops for return force, tension and energy storage.
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REF: TOR-03Torsion Springs
Single and double-body torsion springs manufactured for controlled torque and angular return.
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REF: FLT-04Flat Springs & Clips
Stamped and formed flat spring components for contact, retention, shielding and assembly.
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REF: CFS-05Constant Force Springs
Pre-stressed strip springs delivering near-constant force through long extension ranges.
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REF: DIE-06Die Springs
Heavy-duty rectangular-wire compression springs for dies, presses and high-load tooling.
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REF: WRF-07Wire Forms
Two-dimensional and three-dimensional wire forms produced to print, sample or functional requirement.
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REF: SPC-08Specialty Springs
Custom-engineered spring geometries for constrained spaces, harsh environments and unusual load profiles.
View DetailsApplication-First Engineering
Built Around Your Application
The spring is only correct when it performs reliably inside your assembly. We review available space, loads, movement, environment and life-cycle targets before confirming production details.
Engineering DrawingsManufacture from 2D drawings, CAD files or dimensioned sketches.
Existing SamplesReverse-engineer dimensions and function from a supplied sample.
Precision Capabilities
Precision Spring Manufacturing & Wire Forming
CNC coiling, forming, heat treatment, finishing and inspection are coordinated for prototypes through repeat production.
- CNC coiling and multi-axis wire forming
- Secondary forming, heat treatment and finishing
- Dimensional and load inspection with batch records
Key Engineering Parameters
Request an Engineering Review| Parameter | Reference Range | Engineering Note |
|---|---|---|
| Wire diameter | 0.15 mm to 12 mm | Custom by material and process |
| Outside diameter | 1.2 mm to 180 mm | Measured to drawing |
| Inside diameter | 0.8 mm to 156 mm | Controlled where functional |
| Free length | 0.96 mm to 518 mm | Load-state requirements reviewed |
| Spring rate / torque | Application specific | N/mm or N·mm/degree |
| Loads & cycle life | Application specific | Verified during engineering review |
Spring Materials
Select material according to load, fatigue life, corrosion resistance, conductivity and operating temperature.
Music Wire
MW-01High strength / economical
Stainless Steel
SS-302301 / 302 / 304 / 316
Carbon Spring Steel
CS-05SWC / 65Mn
Chrome Silicon
CHR-SIShock and high-cycle loads
Phosphor Bronze
PH-BZConductive / corrosion resistant
Inconel X-750
INC-XHeat and corrosion resistant
Beryllium Copper
BECU-02Conductive / fatigue resistant
Oil-Tempered Wire
OTW-08Durable / heavy duty
Springs Engineered for Your Industry
Precision components for demanding applications across global industries.
SEC-01
Automotive
SEC-02
Industrial
SEC-03
Medical
SEC-04
Electronics
SEC-05
Robotics
SEC-06
Oil & Gas
SEC-07
Aerospace
SEC-08
Consumer Products
From Drawing to Production
A controlled development path from requirements review through repeat manufacturing.
- 01
Engineering Review
Drawing, sample, dimensions and application requirements.
- 02
Material Selection
Wire or strip selected for load, environment and life.
- 03
Initial Sample
Prototype production and dimensional review.
- 04
First Article
Load, fit and documentation approval.
- 05
Production
Controlled repeat manufacturing and inspection.
Quality Control for Custom Springs
Dimensions, loads, materials and production consistency are verified against the approved specification.
- 1Dimensional inspection
- 2Load and spring-rate testing
- 3Material verification
- 4Heat-treatment control
- 5Surface and visual inspection
- 6Final documentation and packing review
Why Choose CustomSprings
Engineering support and controlled manufacturing for custom spring programs.
Engineering Support
Application review from early definition through production.
Prototype to Production
Sample quantities and repeat manufacturing from one source.
Wide Material Selection
Carbon, stainless, copper and high-temperature alloys.
Precision Manufacturing
Controlled coiling, forming and secondary operations.
Quality Inspection
Dimensions and functional loads checked to specification.
Global B2B Supply
Documentation, packaging and communication for international projects.
Technical Resources
View Engineering ResourcesHow to Specify a Compression Spring
The key dimensions, loads and tolerances needed for an accurate manufacturing review.
Read GuideSpring Material Selection Guide
Compare common spring alloys by strength, corrosion resistance and temperature capability.
Read GuideUnderstanding Spring Rate and Load
A practical introduction to force, deflection, rate and operating points.
Read GuideHave a Spring Drawing or Sample?
Upload your drawing, specifications or sample details for an engineering and manufacturing review.