
Specification for dimensions of rotary masonry and rotary impact drills with hardmetal tips
出版:British Standards Institution

專家解讀視頻
基本信息
標準編號: BS 5621:1979
發布時間:1979/8/31 0:00:00
標準類別:Standard
出版單位:British Standards Institution
標準頁數:0
標準簡介
Diameter, overall length and working length (i.e. the approximate projection forward of the chuck) in three series of lengths (short, long, extra long) and limits of tolerance on the cutting meter.
標準備注
? British Standards Institution 2013
替代本標準的新標準
等同采用的國際標準
ISO 5468:2006 - Similar