5 SIMPLE TECHNIQUES FOR FLANGE LAP JOINT

Tapcon screws are a favorite anchor that means self tapping (self threading) concrete screw. Much larger diameter screws are called LDT's. This type of fastener needs a pre-drilled gap—employing a Tapcon drillbit—and are then screwed into the opening using an ordinary hex or phillips bit.Reverse Shear load (also named “alternate shear”): pr