Product Description

This 280-piece internal tooth star lock washers assortment kit includes 8 most commonly used sizes, manufactured from high-strength 65Mn spring steel with black oxide finish for excellent corrosion resistance and durability.

These star lock washers are designed for quick fastening and reliable locking, effectively preventing screws and bolts from loosening due to vibration, making them ideal for hardware repair, machinery maintenance, automotive, electrical and general mechanical fixing.

The washers feature internal tooth structure that provides strong locking force and stable performance. The complete assortment comes in a sturdy storage box with size labels for easy access, organization and storage.

Suitable for household maintenance, industrial equipment, automotive repair, construction and various DIY projects.

Bullet Points

·280Pcs 8 Sizes Assortment: Complete kit with 8 popular sizes, total 280 pieces to meet different fastening and repair needs.

·Premium 65Mn Steel Material: Made of high-strength 65Mn spring steel with black oxide coating, wear-resistant, anti-rust and long-lasting.

·Internal Tooth Lock Design: Provides excellent anti-loosening performance, effectively prevents screws from backing out under vibration.

·Wide Application: Ideal for mechanical fixing, hardware repair, automotive, electrical appliances, furniture assembly and industrial use.

·Convenient Storage Case: All washers are packed in a labeled plastic box for easy classification, carrying and daily use.