Types of flat washer, spring washer.

Flat washers are characterized by clamping under the screws to expand the area of the screw seat and reduce the surface pressure applied to the fastening object (base metal).

Spring washers are flat washers that are partially cut off and made into torsional shapes. This washer is used between the bolt and the nut and generally has the effect of preventing the screw from loosening.

 

 

NBK flat washer product variety is particularly rich.

As described above, flat washers are characterized by reducing the surface pressure applied to the fastening object by enlarging the area of the screw seat.

Therefore, the use of flat washers can reduce the risk of seat surface collapse and resulting loosening.

It is suitable for the soft material of the fastening object and the small contact area between the screw seat surface and the fastening object.

It can also reduce the damage of the fastening object. Use flat washers to prevent torsional damage to the screw holes on the fastening objects.