Uxcell Flat Washers Steel Belleville Spring Disc Washer Conical Knurled Metric Gasket for Automotive Industrial Construction White Zinc Plating M20x40x2.5mm 10

Belleville spring disc washers are suitable for various positions where secure fastening is required. They can be used in automotive, industrial, construction, household applications, and storage. These belleville washer is suitable for tightening screws, bolts, and nuts, providing added security.

Specification
Washer Specifications: M4
Material: 65Mn Steel, White Zinc Plating
Washer Size: 20 x 40 x 2.5 mm / 0.79 x 1.57 x 0.1 inch (ID*OD*T)
Packing List: 10Pcs x Belleville spring disc washers

Advantage
1. The spring washer is made of high-strength 65 manganese steel, and the surface is plated with white zinc to provide corrosion resistance, rust prevention, high toughness, wear resistance and durability.
2. The spring washer can protect fastened components from loosening. The smooth burr-free surface finish allows for easy installation and prevents damage to the components used.

Instruction
1. Confirm that the specifications and dimensions of the bolt or nut match the washer.
2. Place the lock washer under the bolt or nut. (The tooth portion should face the bolt or nut.)
3. Use a wrench or wrench tool to tighten the bolt or nut until the required tightening force is achieved.
4. Check that the washers are securely fastened to the bolts or nuts and show no signs of rotation or slipping.

NOTE: Please confirm the size before placing an order.