Tanstic 8Pcs 1/2'' Premium Zinc Plated Carbon Steel Knurled Drop in Anchor Internal Forced Expansion Screw Bolts for Solid Concrete

• [Package Includes] You’ll get 8pcs 1/2” premium knurled drop in anchors. All are packed in a transparent bag for easy storage and carrying.
• [Quality Material] Premium knurled drop in anchors are made of quality carbon steel. The surface is galvanized, anti-rust and water-proof, also with high hardness, fastness and durability. And there is no burr on the outside, and the threads are also clear.
• [Application] These anchors are designed for usage in solid concrete only, and should never be used in block or brick base material. Suitable for mechanical processing, medical machinery, construction industry, bridge construction, etc.
• [Easy to Use] You just need to use an electric drill to make holes, and then insert the drop-in anchor into the drilled hole. Hit with a hammer and then screw on the bolts.
• [Design] The drop in anchors are designed with a knurled body, which can help to grip and hold the insert in the concrete well.

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