BESI RINGAN - AN OVERVIEW

Tapcon screws are a favorite anchor that stands for self tapping (self threading) concrete screw. More substantial diameter screws are called LDT's. Such a fastener needs a pre-drilled hole—employing a Tapcon drillbit—and they are then screwed into the hole applying an ordinary hex or phillips bit.Dengan menggunakan tabel ini, kontraktor dan in