The POWER-Drop is an internally threaded anchor that can be used with tamper-proof bolts, machine screws, and a variety of male-threaded fasteners. The anchor has a safety shoulder to eliminate bolt-end collapse and clip slippage for a secure fasten.
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NOTE: Always wear safety glasses. Follow drill manufacturer's instructions. Use only solid carbide-tipped drill bits meeting ANSI B212.15 diameter standards.
I bought these to install a MaxJax two-post lift in my garage. These are the original brand of anchor bolt the lift shipped with and I needed a new set when I moved to a new house and took the lift with me. You can also get them from MaxJax but they were cheaper here. This is the third set I've installed and they've always worked great.