ISO 5857:1988

Aerospace — Alloy steel protruding head bolts with strength classification 1 250 MPa and MJ threads — Procurement specification

Specifies the characteristics and quality assurance requirements. Includes definitions. Technical requirements and test methods, qualification testing requirements for bolt samples, summary of qualification and acceptance tests, surface discontinuities and contamination, minimum tensile, double shear and stress durability loads for tests, thread discontinuities and a classification of defects are given as a table.