1/2" & 5/8" Threading Tool Holder Combo, Internal & External 16ER 16IR Indexable Threading Kit, Nitrided Precision for Metal Lathe, 10pcs Inserts Included

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• [DUAL-SIZE VERSATILITY] Unique hybrid kit includes a 1/2" SNR (Internal) and 5/8" SER (External) bar. Perfectly adapts to multiple machine sizes or quick-change setups (AXA/BXA)
• [PRECISION THREAD FIT] Includes 10pcs high-accuracy 60-degree inserts (16ER/16IR AG60). Achieve professional thread tolerances on steel, aluminum, and brass with ease
• [NITRIDED ACCURACY] The professional nitriding treatment ensures the insert seat remains perfectly square over time, preventing "tapered" threads common in low-cost tools
• [COMPLETE THREADING SOLUTION] Covers the full range of internal bores and external shafts. This set provides everything you need for standard threading without extra purchases
• [INDUSTRIAL ENDURANCE] TiN-coated carbide inserts provide excellent wear resistance and heat dissipation, ensuring clean threads even in stainless steel