Solid Circular Threading Die Whitworth W 3/4" x 10 (BSW) HSS, ENGLAND

This authentic professional solid circular threading die, manufactured in England, is a premium industrial-grade cutting tool designed specifically for cutting and repairing British Standard Whitworth (BSW / W) external inch threads. Forged from high-performance High-Speed Steel (HSS), this die delivers outstanding structural hardness, superb torsional resistance, and exceptional edge retention, preventing thread tearing and guaranteeing flawless thread calibration even under demanding workshop conditions.

Featuring a nominal thread size of W 3/4" with 10 threads per inch (TPI), this precision die strictly conforms to the classic, original British Whitworth thread form. Being a genuine English tool, it is the most reliable choice for the restoration and maintenance of vintage British automobiles and motorcycles (such as BSA, Triumph, Norton, Jaguar, and Land Rover), legacy agricultural machinery, and heritage industrial equipment. Its rigorous manufacturing tolerances guarantee absolute geometric accuracy, ensuring clean, chip-free, and effortless execution on carbon steels, ferrous materials, and non-ferrous metals.

Features:

• Tool Type: Solid Circular Threading Die

• Thread Specification: British Standard Whitworth (BSW / Marked as W)

• Thread Size: W 3/4" x 10 (Nominal Diameter: ~19.05 mm | Pitch: 10 TPI)

• Material: High-Grade HSS (High-Speed Steel) for high wear resistance and extended service life

• Application: Ideal for cutting new threads or restoring damaged fasteners, shafts, and bolts in vintage British mechanical assemblies

• Universal Fit: Compatible with standard hand die stocks or machine tool attachments

• Origin: Made in England