This internally threaded flush-mount expansion anchor features a knurled body that increases friction between the anchor body and the internal walls of the hole.
ENGINEERED IN THE USA
Available in:
Type 304 Stainless
Type 316 Stainless
Zinc-Plated Carbon Steel
NOTE: Always wear safety glasses. Follow drill manufacturer's instructions. Use only solid carbide-tipped drill bits meeting ANSI B212.15 diameter standards.
Great quality, easy to install and they have excellent grip. Although mine were the 1" size, they will ONLY hold a1/2" or a smaller screw, never a 1" screw.