These washers have a locking feature to resist loosening from vibration.
As a screw is tightened, these washers flatten to add tension to the joint and prevent loosening from small amounts of vibration.
Package include:
304 Stainless Steel Split Lock Washers For M2/M2.5/M3/M4/M5/M6/M8/M10/M12 Screws/Bolts Total 540 pieces. Come with the plastic box:
List(Type,Size,Quantity)：
Split Lock Washers M2 100pcs;
Split Lock Washers M2.5 100pcs;
Split Lock Washers M3 100pcs;
Split Lock Washers M4 100pcs;
Split Lock Washers M5 50pcs;
Split Lock Washers M6 40pcs;
Split Lock Washers M8 20pcs;
Split Lock Washers M10 15pcs;
Split Lock Washers M12 15pcs;
Packing contents:
MCMASKE 540PCS 304 Stainless Steel Split Lock Washers For M2/M2.5/M3/M4/M5/M6/M8/M10/M12 Screws/Bolt Packed in a plastic box.