NEW STEP BY STEP MAP FOR ELECTRICAL SUPPLIER

Tapcon screws are a popular anchor that stands for self tapping (self threading) concrete screw. Greater diameter screws are called LDT's. This sort of fastener needs a pre-drilled hole—using a Tapcon drillbit—and are then screwed into the hole using a standard hex or phillips little bit.Angkur bounding bekerja dengan cara mengikat bolt dengan