IR/L-W :  Internal Whitworth (BSW, BSF, BSP), full profile laydown threading inserts. IR/L - Ground periphery and rake, IRB - With a chipformer and peripherally ground, IRM - With a chipformer. Application: fittings and pipe couplings.  
 Internal left-hand shown
 
Internal thread milling Internal threading
Related tool for : IR/L-W

MTSR-Single Point MTSR-Single Point
Indexable Threading Endmills with Cylindrical Shanks, for Single Point Inserts




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