Not known Facts About plat besi lubang lembaran
Tapcon screws are a well known anchor that means self tapping (self threading) concrete screw. Larger sized diameter screws are generally known as LDT's. This type of fastener requires a pre-drilled gap—employing a Tapcon drillbit—and they are then screwed into the outlet applying an ordinary hex or phillips little bit.Pelatihan: Pekerja harus