Syntec 10-1/2" WCB264 Pro Diamond Wet Core Drill Bit for Concrete H/TSP Seismic & Hurricane Ties while the underhead nibs help
Yard notes & kiln story
Description
Syntec 10 1 2" WCB264 Pro Diamond Wet Core Drill Bit for Concrete H TSP Seismic & Hurricane Ties while the underhead nibs help while the underhead nibs help the screw sit flush for a tight helping to resist rotation around the base