Hillman Fasteners 540129 Extension Spring 6 Pack

Product Description

The HILLMAN FASTENERS 540129 is a standard extension spring sold in a 6-pack, designed for general-purpose tensioning and load applications across a wide range of mechanical and structural uses. Built from steel with a zinc finish for basic corrosion resistance, this spring delivers reliable performance in conventional extension spring roles. The zinc coating helps protect against light moisture exposure common in shop, equipment, and utility environments. Each pack contains six springs, making it a practical stocking item for service vans and supply rooms.

Extension springs of this type are commonly used in residential and light commercial applications including gate hardware, screen doors, garage door assemblies, equipment panels, and general mechanical linkage work. HVAC, plumbing, and electrical contractors often keep standard extension springs on hand for equipment enclosures, damper linkages, and panel latches. The 6-pack format suits both single-repair jobs and repeat-service scenarios.

Key Features

• Standard extension spring design for conventional tensioning applications
• Steel construction with zinc finish for light corrosion resistance
• Sold as a 6-pack in a poly bag for easy storage and dispensing
• Suitable for a wide variety of light mechanical and structural uses

Compatibility

Designed as a general-purpose extension spring suitable for a broad range of light mechanical applications where a standard steel extension spring with zinc finish is specified.

Installation Notes

Extension springs should be installed by a qualified technician familiar with the tensioning requirements of the specific application. Always relieve tension from the assembly before removing or installing springs to prevent injury. Use appropriate pliers or spring hooks rated for the load involved. Verify the spring size and load rating match the equipment manufacturer's specification before installation.