KnKut 4-40 Fractional HSS Hex DieKnKut HSS Fractional Dies are manufactured from hi-molybdendum tool steel with a black surface treatment on the threads for long life
•Clean, accurate threading
•For cutting new threads
•HSS Hex Die
•Black Surface Treatment for Long Tool Life
•Cuts Stainless Steel and Titanium Alloy
•Manufactured From High Speed Steel
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