Expansion anchor for spreading hard materials e.g. cement has expansion sleeve fitted between tapered part and head of stud to cover shank of stud, whereby head is inserted in slot formed on washer

摘要

Expansion anchor has an expansion sleeve (2) which is fitted between the tapered part (3) and the head (5) of the stud (1) to cover the shank of stud. The head of the stud is inserted in the slot (8) of a washer (7).