THE ULTIMATE GUIDE TO JUAL WOVEN GEOTEXTILE

Tapcon screws are a popular anchor that means self tapping (self threading) concrete screw. Larger sized diameter screws are often called LDT's. This type of fastener requires a pre-drilled hole—using a Tapcon drillbit—and so are then screwed into the hole making use of an ordinary hex or phillips little bit.Angkur dengan cara kerja friction ak