| Invotec combined with almost 40 years of experience from Groche Technik offer our customer real choice for all their screw and barrel requirements. Click here to read more about Groche (pdf 1mb) Utilising the latest technology we offer plasticising barrels to suit almost any application. Large material stocks, the latest CNC technologies combined with machining capacities to 4m in length mean we can offer Fast 'just in time' deliveries for popular makes. Just-in-time means having the required material and products available at all times. Our claim to service is delivery of top quality within the shortest time. Standard Materials include:Standard nitrided material 1.8550 3 Options of Bi-metallic material  Call Invotec first, we believe you will be pleasantly surprised |