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When your project demands consistent return force and dimensional accuracy, a mismatched spring can cause premature failure, erratic motion, or costly downtime. Engineers, hobbyists, and repair technicians who work with mechanical assemblies, jigs, and automation fixtures need compression springs they can spec with confidence — and receive in the exact size they need.
These compression springs are wound from spring steel wire with a nominal wire diameter of 1.5mm (0.059 in). The outer diameter (OD) spans 8–30mm (0.31–1.18 in) and the free length (L) ranges from 10–50mm (0.39–1.97 in) across the available variants. Each pack contains 10 pieces of the same size, making them suitable for both prototyping and small-batch production.
Typical use cases include compression spring replacements in 3D printer Z-axis beds, return springs in push-button mechanisms, buffer springs in light-duty industrial jigs, and preload springs in electronic enclosure latches. The wire dia 1.5mm compression spring range is also well-suited for DIY robotics actuators and spring-loaded tooling fixtures requiring repeatable stroke control.
Wound from spring steel wire for consistent elastic modulus and reliable return force across repeated compression cycles.
Wire dia 1.5mm with OD options from 8–30mm and free lengths from 10–50mm — select the exact combination your design requires.
Each order ships as a 10-pcs set of identical springs, ideal for prototyping, repair stock, or small-batch assembly runs.
Springs feature closed (ground or plain-closed) ends for stable seating on flat surfaces and consistent load transfer.
Spring steel provides inherent resistance to light oxidation in dry indoor environments; suitable for most workshop and light-industrial conditions.
Consistent coil pitch and wire diameter ensure predictable spring rate and deflection behavior across the full compression range.
| Spring Type | Compression Spring |
|---|---|
| Material | Spring Steel |
| Wire Diameter | 1.5mm (0.059 in) |
| Outer Diameter (OD) | 8–30mm (0.31–1.18 in) — See variant options |
| Free Length (L) | 10–50mm (0.39–1.97 in) — See variant options |
| End Type | Closed ends |
| Spring Rate | See variant options |
| Surface Finish | Natural / uncoated spring steel |
| Pack Quantity | 10 Pcs per order |
| Weight (per pack) | See variant options |
Match the OD to the bore or housing diameter in your assembly — the spring OD should be slightly smaller than the bore to allow free movement. The free length should exceed your required working length by enough to provide the desired preload or travel. Use the variant selector above to browse all available Wire Dia × OD × L combinations.
Spring rate varies by OD and free length combination. A shorter, smaller-OD spring will have a higher spring rate than a longer, larger-OD spring of the same wire diameter. Exact spring rate data is not listed per variant; if you need a specific rate, contact us with your load and deflection requirements and we can help identify the closest match.
Spring steel offers moderate corrosion resistance in dry indoor conditions. For outdoor, high-humidity, or chemically aggressive environments, we recommend considering stainless steel springs instead. These springs are best suited for indoor mechanical assemblies, electronics, and light-industrial fixtures.
Yes. Wire dia 1.5mm compression springs in the 8–12mm OD range and 10–25mm free length are commonly used in 3D printer bed leveling assemblies. Select the OD that fits your bed mount hardware and a free length that provides the preload your design requires. The 10-pcs pack gives you spares for future maintenance.
These springs feature closed ends, which provide a flat bearing surface for stable seating against flat plates, flanges, or spring pockets. Closed ends distribute load more evenly than open-end springs and reduce the risk of the spring tilting under compression.
Check three key dimensions: (1) wire diameter — 1.5mm for all variants in this listing; (2) outer diameter — must clear the bore with a small gap; (3) free length — must fit within your assembly's available space at rest. The variant name format is Wire Dia × OD × L (e.g., 1.5×10×20mm means 1.5mm wire, 10mm OD, 20mm free length). If you are unsure, contact us to confirm before ordering.
Each order of this listing ships as a pack of 10 identical springs. All 10 pieces in a pack are the same Wire Dia × OD × L combination as selected in the variant dropdown. There is no option to purchase a single spring from this listing.
