Empresa CPF Parafusos, Referencia em Parafusos estojos ASTM A193 Gr. B7, B16, B8, B8m, ASTM A320 Gr. L7, Porcas ASTM A194 Gr. 2H, 4, 4L, entre outras ligas!
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I always add an extra pair of stainless steel washers and huts to lock down the toilet bolts on a toilet flange. It makes installing the toilet easier and in the future it makes it easier to remove the nut holding the toilet down.