Threaded Insert Self-Tapping, W. Cutting Slit, M05, L=10, Steel Electro Zinc-Plated, Kipp, Mfr#: K0978.05$0.60+
Threading Tool, 0.320" Min Bore dia, Cutting Direction: Left Hand, Micro 100, Mfr#: ITL-3201250X$91.75+
Standard, Threading Tools, ACME Threads, 0.490" Min Bore dia, Shank Dia.: 1/2", Micro 100, Mfr#: IAT-1500-5X$137.99+