Threading Tool Holder (Internal Thread)

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Threading tool holder for internal threading towards the chuck. Smaller neck available for easier internal turning. Each holder includes 1x insert tip (60º or 55º available) and to rque key. IR11G60/IR16G60: Designed to cut a 60° metric thread profile (e.g., ISO Metric, Unified National) IR11G55/IR16G55: Designed to cut a 55° imperial thread profile (e.g., Whitworth, BSP). Made in Taiwan. Show more