1 Retraction Note to: Journal of the Brazilian Society of Mechanical Sciences and Engineering (2020) 42:219 https://doi.org/10.1007/s40430-020-02302-9

The Editors-in-Chief have retracted this article [1] due to significant similarities with a thesis by another researcher [2].

[1] Li L, Xue H, Li D et al (2020) Effects of multi-support misalignments on hole straightness predict model in deep hole drilling. J Braz Soc Mech Sci Eng 42:219. https://doi.org/10.1007/s40430-020-02302-9

[2] Chaudhari A (2016) A study on straightness control in deep hole drilling of Inconel-718. Ph.D. thesis, National University of Singapore