Specifications High-concerned chemical:None Dimensions:M2*3 DIY Supplies:Woodworking Drive Style:Phillips Model Number: #4-40 UNC Head Style:Pan Screw Type:Wood Screws Material:Stainless Steel Brand Name:JARBLUE Origin: China Certification:CE Package Quantity:200-299Pcs Thread Diameter: #4-40 UNC Product description Size Name:#4-40UNC Product description: 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 include: High Quality 220PCS #4-40 UNC 304 Stainless Steel Pan Head Phillips Screws and Nuts Assortment Kit #4-40 UNC Pan Head Phillips Screws and Nuts Kit total 220 pieces. Come with the plastic box: List(Type,Thread/Length,Quantity) Pan Head Phillips Screws #4-40x3/16" 20PCS Pan Head Phillips Screws #4-40x1/4" 20PCS Pan Head Phillips Screws #4-40x5/16" 20PCS Pan Head Phillips Screws #4-40x3/8" 20PCS Pan Head Phillips Screws #4-40x1/2" 20PCS Pan Head Phillips Screws #4-40x5/8" 20PCS Pan Head Phillips Screws #4-40x3/4" 20PCS Pan Head Phillips Screws #4-40x7/8" 20PCS Pan Head Phillips Screws #4-40x1" 20PCS Nuts #4-40 40PCS Packing contents: HVAZI 220PCS #4-40 UNC 304 Stainless Steel Phillips Pan Head Machine Screws Nuts Assortment Kit in a plastic box.