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When your mechanism needs consistent return force and you cannot afford unpredictable deflection, a poorly matched compression spring becomes the weakest link in your build. Engineers, makers, and repair technicians working on CNC fixtures, robotics actuators, and mechanical assemblies need a compression spring that delivers repeatable load characteristics across its full travel range.
These 60mm long compression springs are wound from round wire in diameters ranging from 2 mm to 5 mm (0.079 in – 0.197 in), with outer diameters spanning 12 mm to 80 mm (0.47 in – 3.15 in). Material options include stainless steel, spring steel, and nickel-plated spring steel, each offering distinct corrosion resistance and load profiles suited to different operating environments.
Typical use cases include CNC router Z-axis return mechanisms, robotic gripper preload springs, industrial valve actuators, 3D-printer bed leveling assemblies, and general-purpose DIY compression spring replacements where a 60mm free length is required.
Outer diameters from 12 mm to 80 mm (0.47–3.15 in) and wire diameters from 2 mm to 5 mm cover a broad spectrum of load and deflection requirements in a single 60 mm free length.
Choose stainless steel for corrosion-prone environments, spring steel for cost-effective high-cycle applications, or nickel-plated spring steel for enhanced surface protection and appearance.
Uniform closed-end coil winding ensures even load distribution across the spring body, reducing lateral buckling tendency and extending service life under repeated compression cycles.
Engineered for repeatable deflection behavior, these springs maintain predictable spring rates across their working travel, making them dependable for automated and precision-controlled assemblies.
Stainless steel variants resist oxidation in humid or mildly corrosive conditions; nickel-plated variants add a protective barrier for indoor mechanical environments where aesthetics also matter.
Available in packs of 1, 2, 4, or 5 pieces depending on the variant, allowing you to order exactly what your project requires without excess inventory.
| Free Length | 60 mm (2.36 in) |
|---|---|
| Outer Diameter Range | 12 mm – 80 mm (0.47 in – 3.15 in) |
| Wire Diameter Range | 2 mm – 5 mm (0.079 in – 0.197 in) |
| Material Options | Stainless Steel / Spring Steel / Nickel-Plated Spring Steel |
| End Type | Closed ends (typically ground or plain — see variant options) |
| Coil Direction | Right-hand wound |
| Spring Rate | See variant options |
| Max Load Capacity | See variant options |
| Pack Quantity | 1 / 2 / 4 / 5 pcs (see variant options) |
| Surface Finish | Natural / Nickel-plated (see variant options) |
Measure the inner bore or guide rod your spring will seat against. The spring's outer diameter should be slightly smaller than the bore (typically 0.5–1 mm clearance) or slightly larger than the guide rod (typically 0.5–1 mm clearance on the inner diameter). Use the variant selector to match the outer diameter to your measured dimensions.
Spring steel (high-carbon steel) offers excellent elasticity and fatigue resistance at a lower cost, making it ideal for dry indoor environments and high-cycle mechanical applications. Stainless steel provides superior corrosion resistance for humid, wet, or mildly corrosive environments, though it typically has a slightly lower spring rate for the same wire diameter. Choose stainless steel when moisture or oxidation is a concern.
Stainless steel variants offer strong resistance to rust and oxidation in most indoor and outdoor environments. Nickel-plated spring steel variants provide a protective coating that resists surface corrosion in indoor mechanical settings. Plain spring steel variants are best used in dry, protected environments; apply a light oil coating if exposed to humidity.
Yes. The 60 mm free length and wide diameter range make these springs well-suited for CNC router Z-axis return mechanisms, robotic gripper preload assemblies, linear actuator return springs, and 3D-printer bed leveling systems. Select the wire diameter and outer diameter combination that matches your required spring rate and available space envelope.
Wire diameter directly affects spring rate and load capacity — a thicker wire produces a stiffer spring. If you need a light return force (e.g., a sensor plunger), choose a smaller wire diameter such as 2 mm or 2.2 mm. For heavier loads or higher preload requirements (e.g., valve actuators or press fixtures), select 3.5 mm, 4 mm, or 5 mm wire. If you have an existing spring to replace, measure its wire diameter with calipers.
Stainless steel variants are the recommended choice for outdoor or wet environments due to their inherent corrosion resistance. Nickel-plated variants offer moderate protection for sheltered outdoor use. Plain spring steel variants are not recommended for prolonged exposure to moisture without additional protective coating.
For single-unit repairs or prototype testing, the 1-piece or 2-piece pack options allow you to validate fit and spring rate before committing to larger quantities. For production runs or builds requiring multiple springs (e.g., multi-axis CNC fixtures), the 4-piece or 5-piece packs offer better per-unit value. Select your preferred quantity in the Material Selection & Qty variant option.
