Feature(may vary by option.)

●☞ Material: 65Mn Steel
●☞ Package: 235pcs x Starlock Washer in one storage box
●☞ Main Color: Black;
●☞ Include sizes: M2, M3 x 9mm, M4 x 12mm, M5 x 12mm, M6 x 16mm, M8 x 18mm, M10 x 20mm, M12 x 25mm
●☞ Product name: Internal Tooth Washers

[M2 to M12(Flat 304 Stainless Steel)]

[M6 & M8 & M10 & M12 & M14 Black Reverse 105pcs]

[M2 & M3 & M4 & M5 & M6 & M8 & M10 & M12 Black 235pcs]

Description

Internal teeth dig into the screw head while the smooth outside edge wont snag objects. These washers provide greater vibration resistance than split lock washers. Use with fasteners that have small heads, such as fillister and cheese head screws.