I.S. EN 26157-1:1992现行
Fasteners - Surface Discontinuities Part 1: Bolts, Screws And Studs For General Requirements
出版：National Standards Authority of Ireland
专家解读视频
Establishes limits for various types of surface discontinuities on bolts, screws and studs for general requirements.
BS EN 26157-1:1992 - Identical
ONORM EN 26157-1:1992 - Identical
DIN EN 26157-1 (1991-12) - Identical
NBN EN 26157-1:1992 - Identical
NF EN 26157-1:1992 - Identical
UNI EN 26157-1:1993 - Identical
ISO 6157-1:1988 - Identical
SS EN 26157-1 Ed. 1 (1992) - Identical
UNE EN 26157-1:1992 - Identical
