2525XF2C.16 New Irwin Hex Washer Head #4-40 x 7/16" Yellow Zinc Chromate Machine Screws With Captive External Tooth Star Lock Washer, Part Number MUWE-0407-YY. Each bid quantity is for a Lot of One Hundred (100) Screws. You may bid / buy any number of lots, up to the total quantity available above.
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