This European Standard specifies the characteristics of threaded thin wall inserts, locked and with a selflocking
feature achieved by deforming out-of-round the internal thread of mid length, in heat resisting steel,
MoS2 lubricated.
Classification : 1 100 MPa1) / 315 °C2).
BS EN 4078:2009 Referenced Document
EN 2424 Aerospace series - Marking of aerospace products
EN 2491 Aerospace series - Molybdenum disulphide dry lubricants - Coating methods*, 2011-06-01 Update
ISO 5855-2 Aerospace - MJ threads - Part 2: Limit dimensions for bolts and nuts
ISO 965-1 ISO general purpose metric screw threads — Tolerances — Part 1: Principles and basic data — Amendment 1*, 2021-09-29 Update
TR 3791 Serie Aerospatiale Materiaux Pour Ecrous@ Douilles Filetees Et Filets Rapportes A Freinage Interne Par Deformation Des Classes De Temperature Less Than or Equal to 425 Degrees Celsius (Edition 3)
BS EN 4078:2009 history
2010BS EN 4078:2010 Aerospace series. Inserts, threaded, thin wall, locked and self-locking, in heat resisting steel, MoS2 lubricated. Classification: 1100 MPa (at ambient temperature) / 315C
2010BS EN 4078:2009 Aerospace series - Inserts, threaded, thin wall, locked and self-locking, in heat resisting steel, MoS2 lubricated - Classification: 1100 MPa (at ambient temperature) / 315 °C