Extension Spring #81, 1-3/8"x7"
SKU 18581
$17.09
In stock: 5 available
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Extension Spring #81, 1-3/8"x7"
Product Details
Brand: Midwest Fasteners
Weight: 1.88 lbs
Extension Spring #81, 1-3/8"x7"
The 18581 Extension Spring #81 (SRM81) is a spring steel extension spring sized for dependable pull-back tension in a wide range of shop and equipment applications. With a 1-3/8" diameter and 7" length, it’s the kind of simple, hardworking part that quietly keeps things returning where they should—until it doesn’t, and then everyone suddenly notices.
Country of Origin
Varies by production batch
Key Features / Specifications
- Part Number: 18581
- Nominal Size: SRM81
- Product Type: Extension spring
- Material: Spring steel
- Diameter: 1-3/8 in
- Length: 7 in
- Wire Diameter: 0.224 WG
Ideal For
- Replacing worn or stretched extension springs in equipment and assemblies
- Applications needing a spring around 1-3/8" diameter and 7" length
- General shop, farm, and maintenance repairs where spring return tension is required
- Keeping mechanisms returning properly—so they don’t start “returning eventually” instead
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