Flat Washer, For Screw Size M4 , Steel Zinc Plated Finish, Brighton-Best, Mfr#: 370019

USED IN APPLICATIONS WITH NUTS AND BOLTS. THE FLAT WASHER PROVIDES A GREATER BEARING SURFACE WHICH HELPS PREVENT A NUT OR BOLT HEAD FROM TEARING THROUGH THE MATERIAL. FLAT WASHERS ARE COMMONLY USED IN DECKS AND FENCE BUILDING.