2809 Series Zinc-Plated Steel Split-Lock Washer (4mm ID x 7mm OD) - 25 Pack

2809 Series Zinc-Plated Steel Split-Lock Washer (4mm ID x 7mm OD) - 25 Pack - A zinc-plated steel spring washer that creates tension between the head of a screw or nut and the surface beneath the washer. This tension prevents fasteners from loosening due to vibration and structural movement.

• Internal diameter: 4 mm
• External diameter: 7 mm
• Weight: 0.14 g each
• Material: Steel
• Finish: Zinc-Plated
• Package quantity: 25 pieces

Ideal for assemblies subject to vibration, ensuring secure fasteners.

Prevents bolts and nuts in mechanisms from loosening on their own.