Specification for Unified precision hexagon bolts, screws, & nuts (UNC & UNF threads). Normal series Ingestion-build-107062 For the definition of “specific

For the definition of “specific case” which has been modified to refer to “service”

When requirements of this document are different from those which are stated in EN ISO 4254-1

13 General

Telecommunications cabling

Designation of chromate conversion coatings and other supplementary treatments

Specification for Unified precision hexagon bolts, screws, & nuts (UNC & UNF threads). Normal series Ingestion-build-107062 For the definition of “specific1 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