DIDN'T ANYONE SEE THE PREVIOUS SUGGESTION OF TAKING THIS TO A MACHINE SHOP???? I CUT NUMEROUS ACME THREAD SCREWS/NUTS AND IT IS REALLY NO CHALLENGE IF YOU'LL JUST TAKE IT TO A MACHINE SHOP, OR EVEN A HIGH SCHOOL SHOP. I HAVE A PERFECTLY MATCHED SCREW/NUT COMBO. MADE IN A HIGH SCHOOL MACHINE SHOP TO RESTORE A LEG VISE IN THE SHOP AT FORT BOONESBOROUGH'S FORGE.