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"IMPERIAL" DOUBLE ANCHOR
- Size: 3/8
- Anchor Length: 2"
- Drill Diameter: 3/4
- Made of Zamac 7 Alloy.
- Minimum Hole Depth: 1-3/4
- Double Expansion Anchor.
- A dual expansion bolt anchor for use in materials of questionable strength. It can be used in solid concrete, block, brick, and stone.
- Consists of twin tubular sleeves, bound together with high-tension spring steel bands, which contain two protruding wedge shaped hollow cones. One cone is smooth, while the other is threaded. As the anchor is tightened, the opposing wedges are drawn in tightly, providing full length, 360° expansion over a large bearing area.
- To select the proper length bolt, determine the thickness of the fixture including any spacers or shims. Add this to the depth required to engage at least 2/3 of the threads in the cone.