Terms containing screw with threads

Subject	English	Italian
mech.eng.	screw thread penstock with fixed spindle	saracinesca a vite con fuso fisso
chem.	screw with constant depth of thread	vite a passo costante
chem.	screw with decreasing depth of thread	vite a nocciolo crescente,vite a profondita di filetto decrescente
mech.eng.	screw with threads	vite a più filetti