round washer enlarged PN M-82030 , for M5 thread , 
- 5.5 mm hole,
- width 14 mm,
- thickness 1.5 mm,
- approximate weight 1000pcs - approx. 1.53kg,
use:
for threaded connections
        - 5.5 mm hole,
- width 14 mm,
- thickness 1.5 mm,
- approximate weight 1000pcs - approx. 1.53kg,
use:
for threaded connections