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|Surface Treatment:||Electro Galvanizing||Thread Tolerances:||4h|
Electro Galvanized Elevator Expand Bolt
The types of expansion anchor bolts include: steel ceiling achors, drop in anchors, steel hit anchors, wedge anchors, chemical anchors.Generally used for fence, awning, air conditioning and other fastening in the cement, bricks and other materials.
The outer of expansion anchor bolts have 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.
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