1/2" X 2-1/4" Double Expansion Anchors | Bulk Box 300 grade-120-grit Standard density

Standard density

including treated lumber

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1/2" X 2-1/4" Double Expansion Anchors | Bulk Box 300 grade-120-grit Standard densityEmbedment: 2 1 4 Tension (lb): 5200 TPI: 13; Drill Size: 7 8 Expansion anchors are used in soft masonry and in materials of questionable strength with machine screws or machine bolts that are exposed to vibration or side pressure. Made of zinc alloy, expansion anchors are rustproof. The screw or bolt can be removed from the anchor if necessary and replaced while maintaining holding power. Double expansion anchors have two ends that, when expanded,