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ISO 5969:1979/Cor 1:1991

ISO 5969:1979/Cor 1:1991

Ground thread taps for pipe threads G series and Rp series — Tolerances on the threaded portion — Technical Corrigendum 1

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General Information

Status : Active

Standard Type : Main

Document No : ISO 5969:1979/Cor 1:1991

Document Year : 1991

Pages : 1

Edition : 1

Section Volume : Tools with defined cutting edges, holding tools, cutting items, adaptive items and interfaces (ISO/TC 29/SC 9.)

ICS : Taps and threading dies (25.100.50)

Subclause 3.5: delete the title and insert: "3.5 Tolerance on half-angle alpha/2 of thread"; Table 3: For size designation "1/8" delete the value of minimum major diameter "9.865" and insert "9.685"; Tables 5 and 6: In the columns "Tap designation" delete "Tolerance on angle alpha and half-angle alpha/2" and insert "Tolerance on half-angle alpha/2".