Dado flangia esagonale, seghettato, filettatura 1/2"-13, zinco {25pz}

1/2-13 Hex Flange Nut - Serrated - Zinc (25 each). Hex Nuts with a flanged serrated bearing surface to displace material which in turn forms a locking feature resistant to vibration and loosening. The image attached to this product is a general representation of a finished hex nut.

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