550825 ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ Our “Contact washers” family has been designed to ensure secure fastening over time for all assembly challenges. They prevent loosening of threaded assemblies due to vibration or temperature variations. This family includes a complete range of products: some of them can be used separately, others have been designed to be assembled on a nut or a screw, they can ensure electrical continuity, etc. ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ Categories: Contact washers, Our Products, Tooth contact washers, Washers Additional information Part print Contact Form Additional information Dimensions 1.95 cm External diameter tolerance + / -0.35 Number of ridges (min) 45, 6 Thickness tolerance ±0, 004, 04 Thickness [e] (mm) 1.40 Number of teeth (min) 6 Minimum teeth height (mm) 0.3 Screw diameter (US) 5/16 Screw diameter M 8 Minimum hardness [HV] 420 Ø External [d2] (mm) 16.00 Maximum hardness [HV] 510 Material C60S to C67S Internal diameter tolerance +0, 036, 36 Ø Internal [d1] (mm) 8.20 Height (mm) 1.95, 2.40 Height tolerance +0, 045, 45 Heat treatment Yes Part print Contact FormLast name *First name *Company *Email *PhoneMessage *0 / 180 Send the message Related products 550821 550512 550505 550805