Carmex Internal Right Hand Whitworth Thread Turning Insert 19 TPI / 11 IR 19 W P25C Insize Wire Micrometer 0-0.4" Range Series 3285-4 With its durable carbon steel

With its durable carbon steel construction and hardened points

Durable HSS Construction – Withstands repeated use in tough materials and hand operations

Type: Try Square

Part no 2309-80D

Part Number: 21552

Carmex Internal Right Hand Whitworth Thread Turning Insert 19 TPI / 11 IR 19 W P25C Insize Wire Micrometer 0-0.4" Range Series 3285-4 With its durable carbon steelInternal Thread Turning Insert Whitworth 55 The Whitworth Internal Thread Turning Insert is engineered for machining British Standard threads, including BSW, BSF, BSP, and BSB, with a 55 thread angle. Designed specifically for 19 TPI threads, this full profile insert accurately forms the crest, root, and flanks in one pass delivering strong, pressure tight threads for a variety of pipe fittings and fastener applications commonly used in British and