Slotted head cap screws, square head set screws, and slotted headless set screws - American National Standards Institute (New York, New York : American Society of Mechanical Engineers, 1972)
Contenido: ANSI B18.6.2-1972.
Datos tomados de la cubierta.
A la cabeza de la cubierta: American National Standard.
Revision of B18.6.2-1956.
Keywords: TORNILLOS; NORMAS; HERRAMIENTAS