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|Surface Treatment:||Electro Galvanizing||Thread Tolerances:||4h|
Electro Galvanized Expansion Anchor Bolt
Expansion anchor bolt also known as the expansion screw. It’s fixed principle is: by use of cuneiform slope to cause expansion to produce friction.The types of expansion anchor bolts include: steel ceiling achors, drop in anchors, steel hit anchors, wedge anchors, chemical anchors
The outer bread has an iron cylinder (steel tube),half a number of incisions. Plug them into the holes that are made in the wall, then lock the nuts, pull the screws out, pull the taper into the iron cylinder, and the iron cylinder is opened, so it is firmly anchored to the wall. Generally used for fence, awning, air conditioning and other fastening in the cement, bricks and other materials.
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