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this Simpson Strong-Tie F12C250FDB Self-Drilling Flat Head Screw With Wings delivers the performance you expect
These connectors are cast-in-place or wet-set in concrete and feature a 1" standoff to meet code requirements for structural posts installed in basements or outdoors
tool-free fast drill chuck exchange
Installation Tips
Syntec 1-5/8" GCB42BK Pro Diamond Wet Core Drill Bit for Concrete ST Fastening Metal Roofing Screws this Simpson Strong-Tie F12C250FDB Self-DrillingSyntec has been working hard for over two decades to manufacture exceptional power core bits for the construction industry. Syntec's diamond drilling tools can be used for a wide range of applications whether it is light or heavy duty drilling. The GCBBK Pro core bits are an ideal option for drilling into medium to hard concrete with medium steel reinforcements. Syntec's drill core bits feature diamond tipped segments and fittings comprised of sturdy
