BLACK PRESSURE WASHER 7.9MM 5/16

🔩 5/16 Pressure Washer 7.9mm – Black Spring Lock Washer for Secure Fastening

The 5/16 pressure washer (7.9mm inner diameter) is a spring lock washer designed to maintain bolt tension and prevent loosening caused by vibration, shock, or rotational forces. Its black finish not only offers corrosion resistance but also blends with dark hardware for a clean, professional appearance.

Engineered with a split-ring shape, this washer exerts continuous tension on the fastener assembly. It’s ideal for applications that involve movement, stress, or temperature variation — ensuring your bolts and screws stay tight under pressure.

✅ Key Features:

• Inner diameter: 7.9mm — fits 5/16” bolts

• Spring-type split washer with black oxide finish

• Helps prevent nuts and bolts from loosening

• Made of hardened steel with anti-corrosion coating

• Suitable for dynamic loads, motors, tools, machinery

🧰 Recommended Uses:

• Mechanical assemblies

• Automotive and engine parts

• Power tools and rotating equipment

• Vibration-prone connections

• General maintenance and repairs

📣 Order your 5/16 pressure washers today and lock in your fastening with durable, anti-vibration security.