Simpson 1/4 x 3 1/2 Mushroom Head Crimp Drive Anchor CD25312M PACK:400 Pk What corrosion protection does the

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Simpson 1/4 x 3 1/2 Mushroom Head Crimp Drive Anchor CD25312M PACK:400 Pk What corrosion protection does theThe Simpson Strong Tie Crimp Drive 1 4 in. x 3 1 2 in. Zinc Plated Mushroom Head Anchor (Model No. CD25312M) is an easy to install expansion anchor engineered for use in concrete and grout filled block. The preformed curvature along the shaft creates an expansion mechanism that secures the anchor in place and eliminates the need for a secondary tightening procedure, speeding up installation and reducing overall labor costs. The low profile mushroom