Nickel Plated Clock Screws & Nuts For Clock Repair 100 Nickel Plated. Screws. This is a new assortment of 100 nickel plated screws. These are used in clock repair. These screws are various sizes Nickel Clock Nuts. This is a new assortment of nickel plated nuts. These are used in clock repair. These nuts are various sizes. We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.