210803 ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ Our « Serrated washers » family has been designed to ensure secure fastening over time for all assembly challenges. It is usually used before a locknut, and acts as an anti-vibration device.It also prevents an inadvertently loosening. This family includes a complete range of products: with internal and external teeth, for different screw diameters, etc. ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ Categories: Our Products, Serrated washers, Serrated washers with internal curved teeth (JZC), Washers Additional information Part print Contact Form Additional information Dimensions 3.1 cm External diameter tolerance + / -0.42 Ø External [d2] (mm) 22.00 Height [H] (mm) 3.1 Ø Internal [d1] (mm) 8.15 Internal diameter tolerance +0,36 Material C60S to C75S Maximum hardness [HV] 510 Minimum hardness [HV] 420 Screw diameter M 8 Screw diameter (US) 5/16 Number of teeth (min) 8 Thickness [e] (mm) 1.00 Thickness tolerance ±0,04 Heat treatment Yes Part print Contact FormLast name *First name *Company *Email *PhoneMessage *0 / 180 Send the message Related products 101201 101603 130301 120501