Midwest Fasteners 18512 3/8" x .025" x 1-7/8" Steel Extension Spring

Midwest Fasteners 18512 3/8" x .025" x 1-7/8" Steel Extension Spring

The Midwest Fasteners 18512 is a 3/8" x .025" x 1-7/8" steel extension spring built for equipment and mechanism repair where a reliable, properly sized replacement spring is needed. Manufactured from steel for consistent coil tension and durability, this SRA99 Ajax-style spring is sized to swap in for worn or broken originals without re-engineering the assembly. It ships in a Carded Pack, making it easy to stock on a service truck or in a maintenance bin for quick replacement jobs.

Key Features

• Size: 3/8" outside diameter x .025" wire diameter x 1-7/8" length.
• Material: Steel construction for dependable coil strength and extension/return performance.
• Type: Extension spring designed to stretch under load and return to its original length.
• Package: Carded Pack for easy identification and shop storage.

Technical Specifications

• Product Material: Steel
• Product Size: 3/8"
• Product Type: Extension Spring
• Package: Carded Pack

Typical Applications

• Replacement spring for small equipment and mechanism repair
• General maintenance and repair work requiring a steel extension spring
• Stocking spare parts for service trucks and maintenance shops
• Fixture and hardware assemblies needing a correctly sized return spring

Why Midwest Fasteners?

Midwest Fasteners builds this extension spring from steel with the exact 3/8" x .025" x 1-7/8" dimensions called out on the Carded Pack, so maintenance techs and fabricators can match an existing spring without guesswork. Consistent sizing and material make it a dependable choice for repair and replacement work across general equipment and hardware applications.