Slotted Nut, 7/8"-9

Coarse Thread Slotted Nut, 7/8"-9

This coarse thread slotted nut is a 7/8"-9 castellated/slotted nut designed to be secured with a cotter pin through a drilled bolt or spindle, helping prevent loosening in rotating or vibration-prone assemblies. It’s a common hardware choice for axles, hubs, and other mechanical applications where positive locking is needed.

Country of Origin
Varies by production batch

Key Features / Specifications

• Product Type: Slotted (castellated) nut
• Thread Size: 7/8"-9
• Thread Type: Coarse thread
• Locking Method: Slots allow use with a cotter pin for mechanical retention (requires drilled fastener)

Ideal For

• Securing components on spindles/axles where a cotter pin lock is required
• Vibration-prone applications needing a positive locking fastener
• Hub, wheel, and rotating assembly service and repair work
• Replacements where matching 7/8"-9 coarse threads is critical