FMFL634B-200 - 6-3/4" FlatLOK Structural Screw (200/PK)FlatLOK is a multi purpose structural wood screw for fastening multi ply LVL, girder trusses and multi ply lumber beams. Single Sided Installation FlatLOK is approved for single sided installation making the job easier to complete both at ground level or for elevated applications. The flat head allows for easy finishing including drywall or trim. TORX ttap drive system Maximizes bit fit, reducing the potential for stripping. Includes a stability
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