
Drills and reamers. Specification for twist drills
出版:British Standards Institution

专家解读视频
Dimensions and technical requirements.
© British Standards Institution 2013
Amendment notes:
AMD 8044 published 15 March 1994
AS/NZS 2438.1:1994 - Identical
ISO 494:1975 - Identical
ISO 3292:1995 - Identical
ISO 3291:1995 - Identical
ISO 235:1980 - Identical