THE BESI HITAM DIARIES

The besi hitam Diaries

Tapcon screws are a popular anchor that means self tapping (self threading) concrete screw. Bigger diameter screws are generally known as LDT's. This type of fastener needs a pre-drilled gap—employing a Tapcon drillbit—and they are then screwed into the hole working with a typical hex or phillips little bit.Selain itu, angkur baja juga bertugas

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