Terms containing screw with threads

Subject	English	French
mech.eng.	screw thread penstock with fixed spindle	robinet-vanne à vis intérieure
chem.	screw with constant depth of thread	vis à pas constant
chem.	screw with decreasing depth of thread	vis à profondeur de filet décroissante
mech.eng.	screw with threads	vis à plusieurs filets