Carmex Internal Right Hand Whitworth Thread Turning Insert 14 TPI / 16 IR 14 W BMA Insize GO Thread Ring Gauge M18X1 Series 4129-18P 12-300mm graduation of 0

12-300mm graduation of 0

and fluid transfer components

providing a secure grip for soft material threads

With a measuring range of 0

and stable movement across the full measuring range

Carmex Internal Right Hand Whitworth Thread Turning Insert 14 TPI / 16 IR 14 W BMA Insize GO Thread Ring Gauge M18X1 Series 4129-18P 12-300mm graduation of 0Internal Thread Turning Insert Whitworth 55 The Whitworth Internal Thread Turning Insert is designed for producing British Standard threads including BSW, BSF, BSP, and BSB with a precise 55 thread profile. This full profile insert is optimized for 14 TPI, forming the crest, root, and flanks of the thread in a single pass. It is ideal for threading applications in piping systems, mechanical joints, and traditional British standard fasteners.