FlatLOK should be installed using an impact driver or high torque 1/2" variable speed drill (minimum 18V if cordless). No predrilling is required when properly installed. Bring fastener flush with wood surface, do not overdrive.
LVL Beams: Refer to FastenMaster's online technical bulletins and engineered wood manufacturer's technical information for complete load and engineering requirements.
For applications other than those listed above, a Professional Engineer (PE) may be consulted to determine proper connection design.