TOP GUIDELINES OF TOKO ALAT PERTANIAN SURABAYA

Tapcon screws are a well known anchor that means self tapping (self threading) concrete screw. Much larger diameter screws are called LDT's. Such a fastener needs a pre-drilled gap—employing a Tapcon drillbit—and therefore are then screwed into the outlet using an ordinary hex or phillips bit.Reverse Shear load (also named “alternate shear”