[9000 BULK] Lock Washers Internal Tooth Steel Zinc 5/16

Lock Washers Internal Tooth Steel Zinc 5/16 are designed to prevent fastener loosening caused by vibration and dynamic loads. Crafted from durable steel and finished with a protective zinc coating, these washers deliver reliable locking action in a wide range of assemblies.

With an internal tooth design, this washer bites into the bolt head and mounting surface to resist rotation, helping maintain clamping force over time. The zinc finish provides added corrosion resistance, making them suitable for both indoor and moderate outdoor environments.

Key features

• Material: high-strength steel with a corrosion-resistant zinc finish
• Size: 5/16" inner diameter to fit 5/16" bolts
• Locking mechanism: internal tooth design engages the mating surface for effective anti-rotation action
• Finish: zinc plating for durability and rust resistance
• Applications: ideal for automotive, machinery, equipment, electronics enclosures, furniture, and general hardware assemblies

Why choose internal tooth lock washers? They provide a simple, cost-effective solution to enhance fastener security by creating a sharp bite that reduces loosening under vibration, impact, and thermal cycling. This makes them a dependable choice for reliable, long-lasting assemblies.

Installation tips

• Place the washer between the bolt head or nut and the mounting surface
• Ensure the seating surface is clean and free of debris for optimal bite
• Torque the fastener to the manufacturer's specification to maximize locking performance

Upgrade your hardware kits with the Lock Washers Internal Tooth Steel Zinc 5/16 for a robust, vibration-resistant fastening solution that stands up to everyday use.