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BS 3409-1:1961
Specification for the tapping of holes to receive wire thread inserts (UNC and UNF threads). Diameters 1 in and over.
Automatically translated name:
Specification for the tapping of holes to receive wire thread inserts (UNC and UNF threads). Diameters $9D in and over
STANDARD published on 16.8.1961
The information about the standard:
Designation standards: BS 3409-1:1961
Publication date standards: 16.8.1961
SKU: NS-64343
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: British technical standard
Category: Technical standards BS
The category - similar standards:
Annotation of standard text BS 3409-1:1961 :
Specifies limits of size for tapped holes to accommodate wire thread inserts to provide thread sizes from 1 in to 11/2 in UNC inclusive and from 1 in to 1 in UNF inclusive. It includes recommendations for general dimensions and limits of size on the threaded portion of screwing taps intended to produce holes to the limits specified, together with details of a recommended gauging system for checking them. Status: Confirmed
