Two-way expansion that ensures contact along the length of the hole. Use in concrete, block, stone and brick. The anchor is set by tightening the machine screw or bolt. Install anchor threaded end towards the hole.
Expansion shields may be single or double piece design. Both are inserted for shear loads or where the bolt may be under side pressure or vibration. Expansion shields consist of a nut, a cone and a tubular shield that are put together as a single unit. The two-piece tubular shield in either version contains a wedge shaped nut at one end, a wedge shaped hollow cone at the other end, and is held in place by two spring bands. The expansion at both ends of the shield spreads the anchored load throughout its length.
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