binifiMux 500pcs M3 Phillips Countersunk Flat Head Machine Screws Hex Nuts Assortment Kit 304 Stainless Steel, M3 x 6mm 8mm 10mm 12mm 16mm 18mm 20mm 25mm 30mm auspowers_batchone Corrosion resistant anodized aluminum plated barrel June_2023_update Corrosion resistant anodized aluminum plated barrel Three bead sizes are included 1 2" Bead (large) 1 4" Bead (small) 1 8" Bead (small) plus a cap to reseal Homax Caulk tips are "stackable" a part of the screw thread does not enter the threaded hole [Content:] M3 x 30mm 20Pcs M3 x 25mm 20Pcs M3 x 20mm 20Pcs M3 x 18mm 40Pcs M3 x 16mm 40Pcs M3 x 12mm 40Pcs M3 x 10mm 40Pcs M3 x 6mm 40Pcs M3 x8mm 40Pcs 220pcs M3 Hex Nuts [About Countersunk Screws:] The countersunk screws are mostly used in places where the surface of the parts cannot be raised after installation