ISO/TC 29 Werkzeuge,
ISO/TC 29 Small tools,
ISO/TC 29 Petit outillage,
ISO Internationale Organisation für Normung,
ISO International Organization for Standardization,
ISO Organisation Internationale de Normalisation
Footnote:
Internationale Übereinstimmung mit: DIN 336 (1997-04), MOD*DIN 336 (2003-07), NEQ*DIN 336 (1995-03), MOD*DIN 336 (2001-02), MOD*DIN 336-1 (1969-04), MOD*DIN ISO 2306 (1993-01), IDT*ABNT NBR ISO 2306 (2019-03-27), IDT*BS 1157 (1975-09-30), IDT*GB/T 20330 (2006), MOD*DS 2062 (1991-07-08), IDT*SMS 1724 (1973-05-20), IDT*KS B ISO 2306 (2012-12-11), IDT*KS B ISO 2306 (2022-12-29), IDT*TS 8140 (1990-03-15), IDT*NBN E 66-101 (1973), MOD*SFS 4749 (1981), MOD*NPR 3189:1983 nl (1983-11-01), NEQ*NPR 3189:1983/C1:1985 nl (1985-07-01), NEQ
Description:
Specifies the sizes of these drills for ISO metric threads (tables 1 and 2). ISO inch threads (tables 3 and 4) and pipe threads (tables 5 and 6). Applies to screw threads of normal length of engagement, the drill diamter being approximately equal to the nominal diameter of the thread minus the pitch. The sizes (except for those sizes indicated by an asterisk) have been selected from ISO 235 and are to be used in the future.