Indexable Threading Toolholder: Internal, Left Hand, 15.88 x 5/8" Shank MPN:5961378

The indexable threading toolholder is designed for high precision internal left-hand threading applications. It features a 15.88mm diameter and a 5/8-inch shank for use with ISO inserts, offering versatility in thread types, pitches, and sizes. With its robust design and superior rigidity, it is ideal for aviation, automotive or machinery industries seeking high precision threaded components without compromise. Its unique indexing system provides uniform engagement of threads with less runout than standard collet-style systems for greater repeatability across various size inserts.