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:
Stainless Steel Split Lock Washers For 4#,6#,8#,10#,12#,1/4,5/16,3/8,7/16,1/2,9/16,5/8 Screws/Bolts total 465 pieces. Come with the plastic box:
List(Type,Quantity)：
Split Lock Washers For 4# 100pcs;
Split Lock Washers For 6# 100pcs;
Split Lock Washers For 8# 50pcs;
Split Lock Washers For 10# 50pcs;
Split Lock Washers For 12# 50pcs;
Split Lock Washers For 1/4 40pcs;
Split Lock Washers For 5/16 25pcs;
Split Lock Washers For 3/8 15pcs;
Split Lock Washers For 7/16 10pcs;
Split Lock Washers For 1/2 10pcs;
Split Lock Washers For 9/16 10pcs;
Split Lock Washers For 5/8 5pcs;
Packing contents:
MCMASKE 465PCS 304 Stainless Steel Split Lock Washers For 4#,6#,8#,10#,12#,1/4,5/16,3/8,7/16,1/2,9/16,5/8 Screw/Bolt Packed in a plastic box.