XINGYHENG 390PCS 7 Size 304 Stainless Steel Internal Tooth Lock Washer Circlip Snap Spring Ring Assortment Kit M3 M4 M5 M6 M8 M10 M12
- 【✔】High Quality 304 Stainless Steel Internal Tooth Starlock Washers Kit.
- 【✔】Made of 304 Stainless Steel Material, Very Good Corrosion Resistance, It Can Be Used in a Humid Environment.
- 【✔】Set Includes 7 Most Used Sizes: M3 M4 M5 M6 M8 M10 M12【 Please See Picture 2 for Specific Dimensional Size】.
- 【✔】Package Quantity: 180-Piece, All of Washers Will Be Packed in A Sturdy Transparent Plastic Case, Can Be Use for A Storage Box.
- 【✔】A Lock washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation..