Hexagon socket head cap screws with metric fine pitch thread
公制细牙螺纹内六角圆柱头螺钉
发布日期:
2004-03-01
ISO 21269:2004规定了标称螺纹直径为8 mm至64 mm的公制细牙螺纹内六角圆柱头螺钉的特性和产品等级A。它还给出了螺钉的近似质量。
ISO 21269:2004 specifies the characteristics of hexagon socket head cap screws with metric fine pitch thread with nominal thread diameters from 8 mm up to 64 mm and product grade A. It also gives approximate masses of screws.