ISO 2857:1973現行
Ground thread taps for ISO metric threads of tolerances 4H to 8H and 4G to 6G coarse and fine pitches - Manufacturing tolerances on the threaded portion
出版：International Organization for Standardization
專家解讀視頻
Gives specification for the manufacturing tolerances of the threaded parts of taps for the production of ISO metric threads tolerance classes 4H to 8H and 4G to 6G.
I.S. EN 22857:1990 - Identical
DIN 802-1 (1982) - Similar
DIN EN 22857 (1990-07) - Identical
GB/T 968-2007 - Modified
JIS B 4430:1998 - Equivalent
ONORM EN 22857:1990 - Identical
UNI EN 22857:1990 - Equivalent
BS 949-4:1990 - Equivalent
NS ISO 2857 Ed. 1 (1989) - Identical
BS 949-1:1976 - Similar
NS 5374 Ed. 1 (1977) - Similar
SN EN 22857:1990 - Identical
NEN ISO 2857:1990 - Identical
UNE 16605:1991 (R2012) - Identical
SS ISO 2857 Ed. 1 (1990) - Identical
AS 2181.1-1978 - Equivalent
