TS108 Manufacturing Specification for Studs, Bolts and Screws in BS S159 Material 1100 MPa (159,000 lbf/in² ) Tensile at Room Temperature (for which Forging Is Optional and Qualification not a Requirement)
Rationale:Sixth issue of Technical Spec.
Heat Treatment clause 5.3.2 brought into line with similar specification TS22.
For full details of changes, refer to supplementary SAE ITC Amendment Record document TS108-AR.
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