M4 self-locking nut made from corrosion-resistant stainless steel. Provides a secure, vibration-resistant hold for reliable fastening in marine and scuba equipment applications.

• Thread size: M4 (metric)
• Material: Stainless steel
• Type: Self-locking for vibration resistance
• Corrosion-resistant for marine environments
• Compatible with standard M4 bolts and studs