Binding screws are a novel type of screw which you could use for A variety of jobs. These screws have a rather domed head and screw into each other with a male and woman facet.
JIS B 1012 is usually observed in https://rajanlrgu586210.free-blogz.com/75006713/how-types-of-screw-heads-can-save-you-time-stress-and-money