Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Left Hand - 27IL4WBMA S&E supporting reliable fits in assemblies

supporting reliable fits in assemblies that require tight dimensional control

comfortable grip for precise handling

non‑overlapping longitudinal slots prevent coolant loss and newer nose design eliminates the rubber seal for longer life

while the spiral flute design enhances chip evacuation for smoother

67 mm final hole size for precise finishing

Carmex Thread Turning Internal Insert - W (BSW BSF BSP BSB) - Left Hand - 27IL4WBMA S&E supporting reliable fits in assembliesCarmex Thread Turning Internal Insert W is a versatile left hand insert designed for internal thread machining. It supports a broad range of thread standards, including BSW, BSF, BSP, and BSB, all with a single, reliable design. This makes it a practical, cost effective choice for shops that handle multiple thread forms and production runs. Built around a high quality laydown triangular geometry, these inserts deliver stable cutting action and