Screws with other types of heads are also known as cap screws in the larger sizes and as machine screws in the smaller sizes.
螺丝钉用头的其他类型也即是无边帽在较大的大小方面和当做较小的大小的机器螺丝钉扭紧。
The socket head wrench has the advantages that one wrench can be used for two socket head cap screws with difference sizes, thus reducing the number of the wrench;
本实用新型的优点是:一个扳手可用于两种尺寸不同的内六角螺钉,从而减少了扳手数量;
Hexagon socket head cap screws with countersunk head screws like.
角紧顶螺钉固定在底座上。
The socket head wrench is particularly applicable to socket head cap screws with smaller size and smaller moment.
本 实用新型特别适用于尺寸较小,所需力矩不太大的内六角螺钉。