hardness will range from HRC 31-39

With this specific product

1/2 x 4 Mushroom Spike Zinc Plated (25)

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high-strength screw anchor for concrete and masonry

3/8 x 3 Titen HD® Heavy-Duty Screw Anchor Zinc Plated (50) 7/8-9 Grade 8 Hex Cap Screws Yellow Zinc Plated hardness will range from HRC3 8 x 3 Titen HD Concrete Anchor Zinc Plated (50) . The TITEN HD anchor is a patented, high strength screw anchor for concrete and masonry. It is designed for optimum performance in both cracked and uncracked concrete; a requirement that the 2006 IBC places on post installed anchors. The high strength, easy to install TITEN HD anchor has been tested and shown to provide outstanding performance in cracked and uncracked concrete under both static and