BESI RINGAN - AN OVERVIEW

Tapcon screws are a well-liked anchor that means self tapping (self threading) concrete screw. More substantial diameter screws are known as LDT's. This type of fastener demands a pre-drilled hole—utilizing a Tapcon drillbit—and so are then screwed into the opening using a regular hex or phillips bit.Pelatihan: Pekerja harus mendapatkan pelatih