1. The metric system thread, unified thread (American), Whitworth thread (Imperial) Chart

2. Hot-runner information

the following video is for hotrunner and manifold maintenance operation:

3. ASSAB STEEL

4.MOLD TECH

5.Free & Paid Software for the Injection Molding Industry

6.Plastics Design Guidelines :  Design guidelines for the plastic parts and mold tooling

7.Calculation of side-wall thickness of plastic mold

8.Cooling Time Calculation of Injection Molding

9.Injection Molding Cost Calculation

10.Used moulds and second hand moulds details

11.mold manual

12.What should we know for quotation?

13.https://plastic-mold.net/quick-steel-weight-and-cost-calculator.html