340 pcs. Flanged Self Tapping Screws Phillips Screw Black Assorted Set With Case Assortment Furniture AccessoriesFeatures: . All bolts are standard coarse. Will not rust in humid environment, strong anti-oxidation ability, corrosion resistance. This is one of a series of sets in color-coded boxes that are designed for stacking. They are very strong, do not allow the components to move through the compartments during transport and close very safely. Specification: Color: Black Head Type: Flat Round Head Groove Type: Cross Operation Mode: Self-attack Surface Treatment: Oxidized Black Material Grade: Q235 Carbon Steel Parameter Type Amount No. 4x3/8" (2.2 9mm x 9.5mm)60pcsNo.6x1/2" (3.5mm x 13mm)60pcsNo.6x5/8" (3.5mmx16mm)50pcsNo.6x1" (3.5mmx25mm)30pcsNo.8x3/8" (4.0x9.5mm)30pcsNo.8x1/2" (4.0mm x 13mm)40pcsNo.8x5/8" (4.0mmx16mm)30pcsNo.10x1/2" (4.8x13mm)40pcsPackage Included:340 x Screws (with housing)Note: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may contain chromatic aberration as different placement of photos.