Compression Spring 1mm Wire Dia 6-10mm Dia 10-305mm Length A2 Stainless Steel

Match the outer diameter (OD) to your spring seat or bore — the spring OD should be slightly smaller than the bore ID. Then select a free length that gives you the travel and preload you need. For this listing, OD options run from 6mm to 10mm and free lengths from 10mm to 305mm. If you are unsure, measure your existing spring or the cavity it sits in before ordering.

A 1mm wire diameter spring is suited to light-duty applications — typically in the range of a few hundred grams to a few kilograms of force depending on the coil diameter and free length. Shorter springs with smaller OD will generally be stiffer. For precise load requirements, consult a spring rate calculator using the wire diameter, OD, and number of active coils for your chosen variant.

A2 (304) stainless steel offers good corrosion resistance for most indoor environments and light outdoor exposure — including humidity, rain splash, and mild atmospheric conditions. It is not recommended for continuous immersion in saltwater or strong chemical environments; for those applications, A4 (316) stainless would be more appropriate.

Yes. The small wire diameter (1mm) and OD range (6–10mm) make these springs well-suited for 3D-printed assemblies, RC mechanisms, hobby robotics, and custom jigs. The stainless material also avoids the rust staining that carbon steel springs can leave on printed parts over time.

Pack sizes of 1, 5, 10, 20, and 50 pieces are available depending on the specific wire/OD/length combination selected. A single-piece pack is ideal for prototyping or one-off repairs. Packs of 10–50 are cost-effective for production runs, spares kits, or when you need matched sets for parallel spring arrangements.

Measure three dimensions: (1) wire diameter using calipers across a single coil wire, (2) outer diameter across the widest point of the coil, and (3) free length — the uncompressed length of the spring end-to-end. Compare these to the variant options listed (Wire Dia × Outer Dia × Length format, e.g. 1×6×10mm means 1mm wire, 6mm OD, 10mm free length).

Each listing variant specifies both the spring dimensions and the pack quantity. Select your required Wire Dia × OD × Length combination first, then choose your Pack Size (1, 5, 10, 20, or 50 pieces). The price shown reflects the selected pack quantity.