Specification for Unified precision hexagon bolts, screws, & nuts (UNC & UNF threads). Normal series1 Scope This British Standard covers the Normal series of Unified precision hexagon bolts, screws and nuts having Unified screw threads in a range of nominal sizes from in to 2 in inclusive. The dimensional requirements of this standard apply both to ferrous and non ferrous bolts, screws and nuts. Mechanical properties are given only in respect of steel bolts, screws and nuts, and the finishes in which they are normally supplied are described in

Service providers that wish to improve the design

BS ISO 5151 is not applicable to the rating and testing of the following:

BS 8888:2011 brings together

— hydrogeology studies

Protection against harmful ingress of dust

Additional considerations might be needed for multi-turbine units on a single floating substructure

modulus of elasticity parallel to grain in bending or tension and density need to be determined from test data

Suppliers of construction materials

Why should you use PD CEN/TS 17331 - Organic substances in construction products

Optical source (S)

but does not make recommendations for tuition and pedagogical methodologies

the principle is to map the objects and services of the ACSI to XML messages transported over XMPP