5 SIMPLE TECHNIQUES FOR FLANGE LAP JOINT

Tapcon screws are a favorite anchor that means self tapping (self threading) concrete screw. More substantial diameter screws are often called LDT's. This type of fastener needs a pre-drilled gap—employing a Tapcon drillbit—and they are then screwed into the hole making use of a normal hex or phillips little bit.The drive-transfer system is bas