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 Three bead sizes are included camera_video_Sep2026 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" Ventilation and Air Conditioning) [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 the thickness of the parts to be fastened is larger than the head of the countersunk head screw