Did you know that those Hex Head Bolts used to fix machines, furniture, and even your balcony clothes hanger are actually quite interesting little things. Last month, I helped my friend assemble a bookshelf and saw the power of this bolt - it can be easily tightened with an ordinary wrench, which is......
Read MoreExpansion bolts are used in many fields such as construction and industry. They achieve high-strength connections by self-locking through expansion. The specifications are selected according to the scene. They are an indispensable basic fastening component in engineering.
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