SCREW AIR COMPRESSOR FUNDAMENTALS EXPLAINED

Tapcon screws are a popular anchor that means self tapping (self threading) concrete screw. Bigger diameter screws are known as LDT's. This sort of fastener demands a pre-drilled gap—using a Tapcon drillbit—and are then screwed into the hole employing a normal hex or phillips bit.Pelatihan: Pekerja harus mendapatkan pelatihan yang memadai tenta