BS 3409-1:1961 - Specification for the tapping of holes to receive wire thread inserts (UNC and UNF threads). Diameters ¼ in and over

BS 3409-1:1961

Specification for the tapping of holes to receive wire thread inserts (UNC and UNF threads). Diameters ¼ in and over

Status : Confirmed, Current   Published : August 1961

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Specifies limits of size for tapped holes to accommodate wire thread inserts to provide thread sizes from $9D in to 1$9H in UNC inclusive and from $9D 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.




Standard NumberBS 3409-1:1961
TitleSpecification for the tapping of holes to receive wire thread inserts (UNC and UNF threads). Diameters ¼ in and over
StatusConfirmed, Current
Publication Date16 August 1961
Confirm Date01 May 2018
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Amended ByPD 5998
PD 5732
AMD 1180
DescriptorsScrew-cutting tools, Thread inserts, Gauges, Tapping (threads), Fits, Unified screw threads, Threads, Holes, Wires, Dimensions, Diameter
ICS25.100.50
Title in FrenchTaraudage des trous devant recevoir des filetages rapportes (filets UNC et UNF). Specification. Diametres ¼ pouce et plus
Title in GermanLochbohrungen fuer Drahtgewindeeinsaetze (UNC) und UNF-Gewinde). Spezifikation. Durchmesser ¼ Zoll und groesser
CommitteeFME/9
ISBN0 580 35252 8
PublisherBSI
FormatA4
DeliveryYes
Pages20
File Size383.9 KB
Price£134.00


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