The effect of thread depth on the fatigue strength of AISI 4140 bolt material as a retainer and fastener for a screw conveyor. Proceeding SNTTM BKS-TM Indonesia, [S. l.], v. 23, n. 1, p. 59–64, 2026. DOI: 10.71452/x44rv532. Disponível em: https://snttm.bkstm.org/index.php/SNTTM/article/view/118.. Acesso em: 10 mar. 2026.