Countersunk head square neck bolts
全国紧固件标准化技术委员会(SAC/TC 85)
本标准规定了螺纹规格为M6～M20、产品等级为C级的沉头方颈螺栓。
This standard is the original Chinese electronic standard.
After you successfully purchase, we will send the electronic version of this standard to your email address.
If you have successfully purchased, please go to the plug-in category of the store and download the free plug-in installation package.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
