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Feature

Color: Black; Material: Carboon Steel; Weight: 290g;
Shape: Conical Round;
Included sizes: M5, M6, M8, M10, M12, M14, M16, M18, M20

Description

Package details:
10Pcs M20*30*2
15Pcs M18*27*2
15Pcs M16*24*2
15Pcs M14*22*1.5
15Pcs M12*18*1.2
15Pcs M10*16*1.2
30Pcs M8*13*1.2
30Pcs M6*10*1
30Pcs M5*9*1

External gear lock washers, used in conjunction with the nut, play a locking and relaxing effect.
Raised tooth profile should be in contact with the surface to be connected, under the preload of the nut to bite the surface to be connected.