Inyección de fondo, perno Fast Anchor V3, Strabag, Proyecto Alto Maipo, Caudal aproximado: 70 litros por minuto
Basic introduction on bolt threads, using two bolts, each with 0.5 inch diameter but one has fine threads and the other course. Demonstrate how to use a Starett thread gage to measure the threads per inch (TPI) of both external threads on a bolt and internal threads on a nut.