Production of injection moulds – with state-of-the-art technology...
Hjerno is a highly specialised tool factory producing premium quality injection moulds.
We have all the latest equipment and technology to ensure that we are able to produce all kinds of tools within extremely narrow tolerances – in optimised processes which enable us to sell tools at very favourable prices while still making money for our company and future investments in new technology to make it fun and exciting to manufacture tools – and to be a Hjerno customer.

Hjernø keeps all its divisions and functions in-house:
CAD construction
CAM machine programming
Cutting of mould boxes
High-speed cutting, 3-axle and 5-axle
CAM electrode production
EDM die sinking
EDM wire cut
Cylindrical grinding
Surface grinding
Cooling channel drilling
Assembly division
Test moulding
Measuring division
Our factory is equipped throughout with state-of-the-art technology and specialist machinery which means that we are able to manufacture all parts for our tools and finish them 100% within the required tolerances and surfaces.