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Expansion Anchors
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Single Expansion
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The rustproof, zinc alloy single
expansion anchor is used with machine screws or machine bolts in concrete,
brick or stone. The screw or bolt can be removed from the anchor, if
necessary, and replaced, without materially effecting the holding power of
the anchor. |
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Double Expansion
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The double
expansion anchor is manufactured of rustproof zinc alloy, and is used with
machine screws or machine bolts, and works well in soft masonry and
mediums of questionable strength. As the "double" sets, the two
opposing wedges pull towards each other, expanding the full length of the
anchor body. Proper expansion requires that anchor, prior to setting,
protrudes slightly above surface plane. |
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