Each group of Die Springs is divided into a rising load range and can be identified by the following colour coding system - see below.

Light Duty ISO 10243 (Green Code) Die SpringMedium Duty ISO 10243 (Blue Code) Die SpringHeavy Duty ISO 10243 (Red Code) Die SpringExtra Heavy Duty ISO 10243 (Yellow Code) Die Spring
Die Springs

Product Order Line:
01527 521000

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group of die springs

Product Order Line: 01527 521000

Minimum order charge for UK & Rep. of Ireland customers: Orders are subject to a minimum charge of £15 plus carriage, packing & VAT. Minimum order per item £2.50.

Minimum order charge for Overseas customers: Orders are subject to a minimum order charge of £50 Pound Sterling ($100 US Dollars) on an ex-works basis.

Manufactured in the UK

We have recently added a die spring database. Input your specifications, locate the spring that matches your requirement and contact Springmasters, with the spring code number, for a competitive quote.

Rectangular Wire Section (metric)

This range of die springs is composed of 9 groups by diameter. In this way it is possible to select springs of different load characteristics for the same tooling already adapted for pressed parts, resulting in a longer operating lifetime for your dies and die sets.

Die Springs: Light Duty, Rectangular Wire Section: Coded Green
Die Springs: Medium Duty, Rectangular Wire Section: Coded Blue
Die Springs: Heavy Duty, Rectangular Wire Section: Coded Red
Die Springs: Extra Heavy Duty, Rectangular Wire SectionCoded Yellow

Precision manufactured with rigid quality control

Springmasters' die springs are precision products manufactured on special equipment and under carefully controlled processes.

All of the manufacturing steps of our die springs are conducted under rigid quality control, inspection, and testing to assure that the long service life that has been engineered into every Springmasters' die spring is not adversely affected.

Search for your die spring here.