BORDO INTERNATIONAL PTY LTD Bordo 7/16" x 18 BSF Chrome Alloy Die Nut

Bordo 7/16” x 18 BSF Chrome Alloy Die Nut

This 7/16” x 18 BSF Chrome Alloy Die Nut is designed for repairing, restoring, and forming British Standard Fine (BSF) external threads in situations where a full button die cannot be used due to tight or restricted access. Die nuts are ideal for on-site maintenance, repair work, and general-purpose threading tasks.
Key Features:

• Thread Standard: British Standard Fine (BSF), featuring a finer pitch than the British Standard Whitworth (BSW) thread system.
• Versatile Use:
  • Perfect for chasing and cleaning damaged or contaminated threads.
  • Capable of cutting new male threads on non-ferrous metals and plastics.
• Material: Durable chrome alloy designed for general-purpose threading (not suitable for precision, structural, or critical applications).
• Thread Form Details:
  • BSF introduced in 1908 and standardized under BS84:1956.
  • Finer thread pitch provides greater tensile stress area than coarse threads.
  • Fine threads offer improved resistance to stripping under high load conditions.
  • Ideal for limited engagement lengths or thin-walled components requiring a fine pitch.

Technical Specifications:

• Diameter (inch): 7/16
• Pitch (TPI): 18
• Thread Form: BSF

Applications:
BSF die nuts are widely used in automotive restoration, engineering maintenance, machinery rebuilding, and classic equipment repairs. Their fine-thread profile makes them ideal for applications requiring strong thread engagement and greater resistance to stripping.