The Thunderbird Products Hole Cover is a core cover designed to adjust to any diameter opening 6" to 12", for use on construction concrete sites as well as residential projects. Our hole covers are made of a hardened polymer that is reusable and recyclable. The simple three pronged design makes installation fast and easy. Sold individually or in boxes of twenty units per box, each box includes the hole covers themselves, three barrels per cover, and three pan head screws per cover for installation. Our Hole Covers are specifically designed for covering core holes until the contractor is ready to install electrical, plumbing, or data lines.
A premier standard for workplace safety and 100% Made in the USA, our hole core covers are designed to be adjustable and vary to your diameter needs. Volume discount is available on orders based on quantity.
For use with 6", 7", 8", 9", 10", 11" or 12" concrete core holes
Saves time and money
Installs in seconds
Locks into place preventing accidents and injuries
Prevents OSHA citations
No more buying, cutting, and assembling disposable wood covers
Construction site hole cover easy to install and reuse