Contact Spring Washer Size 20 mm Thickness 3.2 mm NF25511 Standard | Aobsco Company
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Available with Youmats Contact washer serrated, size M20, 3.2 mm thick, from Aobsco company. manufactured according to NF25511 standard. Consisting of a ribbed top surface designed in a conical shape. They are primarily used to prevent assembly components from loosening.
Product description
Contact washer serrated, from Aobsco company. Consisting of a ribbed top surface designed in a conical shape. They are primarily used to prevent assembly components from loosening, as the conical shape provides a 360-degree locking force around the underside of the screw head or nut. The ribbed top surface also further enhances the locking force around the bottom of the nut. It resists the possibility of loosening torque under pressure and vibration. Available in a variety of sizes to suit the needs of different applications.
- Size : M20
- Outer diameter (d2) : 40 mm
- Height (h) from highest point to lowest point : 4.9 mm
- Thickness (e) : 3.2 mm
- Shape : Serrated conical
- Conformity according to standard : NF25511
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