THE DEFINITIVE GUIDE TO UNP 10

Tapcon screws are a favorite anchor that means self tapping (self threading) concrete screw. Bigger diameter screws are known as LDT's. This kind of fastener requires a pre-drilled hole—using a Tapcon drillbit—and are then screwed into the outlet employing an ordinary hex or phillips bit.The driving Vitality is generally supplied by firing a co