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Bordo 1/2" x 12 BSW Chrome Alloy Die Nut
$30.80
This 1/2" x 12 BSW Chrome Alloy Die Nut is designed for repairing, restoring, and forming British Standard Whitworth (BSW) external threads in areas where a button die cannot be used due to limited workspace or on-site access constraints.
Key Features:
- Thread Standard: British Standard Whitworth (BSW), developed by Sir Joseph Whitworth in 1841.
- Versatile Use:
- Functions as a thread chaser to clean and restore worn or damaged threads.
- Can cut new male threads on non-ferrous metals and plastics.
- Material: Chrome alloy suitable for general-purpose threading (not recommended for precision, structural, or safety-critical applications).
- Thread Form Details:
- Rounded roots and crests for increased durability.
- Specified under BS84:1956.
- 55° thread angle—different from the 60° used in Unified and Metric threads.
Technical Specifications:
- Diameter (inch): 1/2
- Pitch (TPI): 12
- Thread Form: BSW
Applications:
BSW threads are commonly used in engineering, automotive restoration, machinery maintenance, and classic equipment where Whitworth fasteners remain prevalent. This die nut is ideal for thread cleaning, repair, fabrication, and general-purpose external thread cutting.