Double Loop Extension Spring

Product Introduction

Double loop extension spring is manufactured from high‑quality spring steel, with closed end hooks on both sides. Uniform coil spacing ensures stable tensile force and excellent rebound performance. Our tension springs are heat‑treated for enhanced toughness and anti‑fatigue property, not easy to deform or break under long‑term repeated pulling.

Product Advantages

1. Premium raw material: Made of spring steel, high hardness, strong wear resistance.

2. Stable performance: Strict heat treatment process, long service life.

3. Customizable size: Support custom wire diameter, outer diameter, free length and hook style.

4. Precise production: CNC coiling forming, consistent size, smooth surface without burrs.

Application

Widely used in mechanical equipment, automation devices, household hardware, fitness equipment, instruments and other industrial fields.

Our Factory

We are a professional spring manufacturer with complete production and testing equipment. Custom samples and mass production orders are both welcomed. Strict quality inspection for each batch to guarantee stable product quality.