5 SIMPLE TECHNIQUES FOR FLANGE LAP JOINT

Tapcon screws are a well-liked anchor that stands for self tapping (self threading) concrete screw. Much larger diameter screws are called LDT's. This sort of fastener requires a pre-drilled hole—using a Tapcon drillbit—and so are then screwed into the hole employing an ordinary hex or phillips little bit.Tentunya, ini sangat membantu dalam men