Spring washer ss 304 m12 50p

Pack of 50 – Spring Washer – Stainless Steel 304  

M12  

Spring washers, which have axial flexibility and are used to prevent fastening or loosening due to vibrations.   

Locking washers, which prevent fastening or loosening by preventing unscrewing rotation of the fastening device; locking washers are usually also spring washers.