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Tel: 86-157-9948-7210 

WhatsApp: 8615799487210

E-Mail: jasmin@zwspring.com

Address: East of Chaihudian Town, Ningjin County, Dezhou City, Shandong Province, within the industrial park

Die Spring
Die Spring

Die Spring

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Products

Compression Springs

Email:

jasmin@zwspring.com

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Compression Springs

High Precision Alloy Steel Die Springs | ISO & JIS Standard Custom Compression Mold Springs
Die Springs, also known as Compression Mold/Mould Springs, Square Springs or square Wire Compression Spring, are core elastic spare parts for all mold equipment. As a professional manufacturer of all kinds of Spring, we supply full-series standardized Compression Die Springs and tailor-made Custom Die Spring as reliable Die Spring For Mold Parts to mold factories, hardware stamping plants and injection molding manufacturers worldwide. Our product line covers ISO Standard Die Spring and JIS Standard Die Spring, including mainstream SWC SWH Die Spring series, fully meeting global industrial design standards.


Superior Material & Core Product Advantages
All our springs are made of premium Alloy Steel Die Spring raw materials (chromium vanadium alloy steel & silicon manganese alloy steel), processed via high-temperature quenching and tempering. Compared with ordinary round wire springs, our Rectangular Wire Die Spring delivers stronger toughness, anti-fracture performance and ultra-long fatigue life, perfectly solving the common problem of premature spring breakage in high-cycle molds.
Adopting flat rectangular wire coiling craft, our High Precision Die Spring features uniform stress distribution, stable compression rebound and tiny permanent deformation. It owns outstanding High Temperature Resistant Die Spring performance, operating stably under long-term high-temperature environment of injection molds without elastic attenuation. Every spring surface is treated with electrophoretic coating for excellent rust and corrosion resistance.
We adopt international unified color coding to classify loads for quick model selection, including five mainstream grades: Yellow Die Spring(Extra Light Load), Blue Die Spring(Light Load), Red Die Spring(Medium Load), Green Die Spring(Heavy Load) and Brown Die Spring(Extra Heavy Load). Each color corresponds to fixed compression ratio and bearing capacity, avoiding mold failure caused by mismatched springs. Our Heavy Load Die Spring can withstand extreme pressure for continuous high-frequency production, greatly reducing mold maintenance downtime.


Complete Specifications & Wide Application Scenarios
Our die springs cover full ranges of outer diameter, inner diameter and free length with abundant spot inventory. Standard sizes support fast delivery, while non-standard sizes accept one-stop customization according to customers’ drawings and samples.
As professional Injection Mold Spring, our products are widely installed on ejector plates, reset structures and clamping components of plastic injection molds. As durable Stamping Die Spring, they serve stripping plates, pressure pads and forming mechanisms of metal stamping dies. Besides mold tooling, our die springs are also applied in die casting fixtures, hydraulic equipment, automotive tooling, textile machinery, medical precision devices and electronic assembly jigs for buffering, preloading and resetting.


Factory Strength & Custom Service
We are an integrated factory with automatic CNC winding production lines and complete testing equipment. Every batch of die springs undergoes strict dimensional inspection, fatigue cycle test and high-temperature resistance test to guarantee consistent elasticity and dimensional accuracy between batches.
Apart from standard ISO & JIS series springs, we provide full Custom Die Spring solutions: adjust wire diameter, outer diameter, free length, surface coating and load coefficient based on special working conditions. Whether you need ultra-high temperature resistant springs, anti-corrosion customized springs or special-size heavy-load springs, our technical team can finish design, trial production and mass delivery efficiently.
We support flexible batch orders, global logistics and competitive factory-direct prices. If you are sourcing stable-quality Die Spring For Mold Parts, welcome to send your technical parameters or drawings. We will offer professional model selection guidance and cost-effective square wire compression spring solutions for your injection molds, stamping dies and all mold matching projects.

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