200 pcs 3/8"-16 Slotted Castle Nuts, Zinc Plated Steel Hex Nuts for Automotive, Machinery & DIY Projects - High Strength Fasteners for Wheels, Axles and Mechanical Assemblies

DIMENSIONAL ATTRIBUTES- Diameter (Nominal): 3/8"- Thread Pitch: 16- Diameter (Dimension): 0.375"- Thread Length (Nominal): 0.406"- Across Flats (Basic): 9/16"- Across Flats (Minimum): 0.551"- Across Flats (Maximum): 0.562"- Height (Basic): 13/32"- Height (Minimum): 0.398"- Height (Maximum): 0.415"- Slot Depth (Nominal): 0.125"- Slot Depth (Minimum): 0.108"- Slot Depth (Maximum): 0.145"- Slot Width (Minimum): 0.15"- Slot Width (Maximum): 0.12"PRODUCT ATTRIBUTES- Category: Slotted Castle Nuts- System of Measurement: Inch- Brand: Aspen Fasteners- Drive Style: External Hex Drive- Thread Length: Full Thread- Thread Direction: Right-Hand Thread- Material: Steel- Coating: Zinc Plated- Coating Color: Clear- Hardness Rating: Rockwell C32 maximum- Origin: Origin Undefined- Standards and Specifications: ANSI B18.2.2 (1970)NB: Product images are copyrighted artistic representations which may not reflect the product's exact appearance, proportions and/or relative dimensions.

Also known as a castellated nut. Functionally interchangeable with slotted nuts.

On castle nuts, the turret end is turned down enabling the lock pin to be wound against the turret.

Lock the nut to a mated bolt by using a pin or wire threaded through the bolt and slots on the nut.