High Quality 360PCS 2-56 4-40 6-32 UNC 304 Stainless Steel Phillips Pan Head Machine Screws and Nuts Assortment Kit Thread Diameter: 2; Thread Pitch: 56 Per Inch (Coarse); Thread Diameter: 4; Thread Pitch: 40 Per Inch (Coarse); Thread Diameter: 6; Thread Pitch: 32 Per Inch (Coarse) The assortment contains: 2x5/32 to 1/2, 4x1/4 to 5/8, 6x1/4 to 3/4 (Length is measured from under the head), Each 20 PCS and Nut Each 40 PCS Made of 304 stainless steel; 304 stainless steel has good chemical resistance and may be mildly magnetic All contained in a compact and see-through compartmented plastic box. Easy to install and durable to use Made from 304 Stainless Steel, these pan head screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head Package includes: 360PCS 2-56 4-40 6-32 UNC 304 Stainless Steel Phillips Pan Head Machine Screws and Nuts Assortment Kit List (Type, Thread/Length, Quantity) Pan Head Phillips Screws 2-56 x 5/32 20 PCS Pan Head Phillips Screws 2-56 x 1/4 20 PCS Pan Head Phillips Screws 2-56 x 5/16 20 PCS Pan Head Phillips Screws 2-56 x 1/2 20 PCS Nuts 2-56 40 PCS Pan Head Phillips Screws 4-40 x 1/4 20 PCS Pan Head Phillips Screws 4-40 x 5/16 20 PCS Pan Head Phillips Screws 4-40 x 3/8 20 PCS Pan Head Phillips Screws 4-40 x 5/8 20 PCS Nuts 4-40 40 PCS Pan Head Phillips Screws 6-32 x 1/4 20 PCS Pan Head Phillips Screws 6-32 x 3/8 20 PCS Pan Head Phillips Screws 6-32 x 5/8 20 PCS Pan Head Phillips Screws 6-32 x 3/4 20 PCS Nuts 6-32 40 PCS Packing contents: 360PCS 2-56 4-40 6-32 UNC 304 Stainless Steel Phillips Pan Head Machine Screws and Nuts Assortment Kit in a plastic box