Description
Syntec 1" GCB25BK Pro Diamond Wet Core Drill Bit for Concrete Roofing Tile Screw Guns Use Strong Drive SDS Heavy Duty Connector Use Strong Drive SDS Heavy Duty Connector screws for securing the hanger to the supporting structure Allowable loads are based on parlallel to grain loading and a minimum member thickness of 3 1 2" with machine bolts in a single shear