AAE413 1/4″ BSW Left-Hand Thread Locknut

The AAE413 Locknut 1/4" BSW Left-Hand Thread is a specialty fastener designed to resist loosening under vibration and torque in reverse-threaded (left-hand) applications. Featuring British Standard Whitworth (BSW) threading and a durable construction, this locknut is ideal for use in rotating machinery, assemblies with counter-threaded shafts, and other mechanical systems requiring secure fastening in a left-hand configuration.

Kit Includes:

• 1 x AAE413 1/4" BSW Left-Hand Thread Locknut (New)

• Protective packaging

Key Features:

• Thread Size: 1/4" BSW (British Standard Whitworth)

• Left-hand thread design for reverse rotation or specialty applications

• Locknut construction for vibration resistance

• Durable steel build ensures long-lasting performance

• Ideal for rotating equipment and legacy systems

• Compatible with left-hand threaded 1/4" BSW bolts

• OEM-grade fit and reliability