Straight flutes are ground to provide rapid chip removal for efficient threading. Taps produce a class 2B thread. Used in applications such as routine maintenance, repair work and for rethreading where high accuracy and tolerance thread is not critical or hand threading work in a variety of materials.
TARAUD 5/8 PO-18 NF SAE ACIER
MACHO DE ROSCAR 5/8-18NF SAE ACERO