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#22 Extension Spring — 3/8 in. Diameter, 2 in. Length, Steel, Zinc Finish, 6-Pack
- Mfg.#
- 540066
- Sku#
- 7700040
- Max length of 5.125 mm and spring rate of 1.58 lb/in
- Designed for general-purpose extension spring applications
- Features steel construction with a zinc finish for corrosion resistance
- Suitable for a 3/8 in diameter and 2 in free length
- Features a spring rate of 1.58 lb/in for predictable tension
* Estimated stock levels as of Wed, Apr 1, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
The 3/8 x 2-Inch #22 Extension Spring from HILLMAN is a zinc-finished steel spring designed to restore tension and smooth operation in a variety of small mechanisms. You’ll reach for this spring when a worn or broken extension spring is causing loose lids, panels, or moving parts to sag or stick. It measures 3/8 inch in diameter and 2 inches in length, with a stated maximum length of 5.125 mm and a spring rate of 1.58 lb/in, providing predictable resistance for light- to medium-duty tasks. The zinc finish helps resist corrosion while the steel construction offers reliable durability for repeated use. Whether you’re repairing hardware on furniture, replacing a spring in a tool or appliance, or fabricating a custom mechanism, this #22 style spring supplies the consistent pull you need to get moving parts functioning properly again.
Specifications
General
| Finish | Zinc |
|---|---|
| Material | Steel |
| Style | #22 |
Dimensions
| Diameter | 3/8 in |
|---|---|
| Length | 2 in |
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