Bordo 1/2" x 12 BSW 1" Chrome Button Die Insize Thread GO NOGO Plug Gauge M10x1mm Series 4139-10P With an 8 mm diameter

With an 8 mm diameter stem and a length of 115 mm

Included: Supplied with two screws

Specifications: Product Code: 220 100 100

and consistent results across production batches

Bordo 1/2" x 12 BSW 1" Chrome Button Die Insize Thread GO NOGO Plug Gauge M10x1mm Series 4139-10P With an 8 mm diameterThis 1 2" x 12 BSW Chrome Button Die is designed for cutting, restoring, and cleaning British Standard Whitworth (BSW) external threads. Split circular chrome alloy button dies are typically used with a die stock handle, making them ideal for both workshop and on site threading applications. Key Features: Thread Standard: British Standard Whitworth (BSW), developed by Sir Joseph Whitworth in 1841. Versatile Use: Acts as a thread chaser to clean or