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Single & Double Expansion Shields


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NFC4052

Single Expansion Shields

(6)
Can be used for fastening into rock, concrete, brick, etc. If bolt is removed and replaced, holding power is unaffected. One-piece design, made of zinc alloy, is entirely rust-proof.

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NFC4015

Double Expansion Shields

(6)
Can be used for fastening into rock, concrete, brick, etc. Eliminates high stress points detrimental in fastening into materials of medium hardness, expands fully and has high gripping power. Ideal for shear loads or where bolt is subject to side pressure or vibration. Does not fracture, and permits fastenings at any length.

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