Glarks 510Pcs Metric M3 M4 M5 304 Stainless Steel Flat Head, Allen Hex Drive Product Details Glarks 510Pcs Metric M3 M4 M5 304 Stainless Steel Flat Head Countersunk Socket Cap Bolts Screws Nuts Assortment Kit Product Type: Allen hex drive flat head countersunk socket cap bolts screws Material: 304 Stainless Steel, hard and durable, can resist rust and corrosion for long time use Package: Different size of M3 M4 M5 screws and nuts total 510pcs in a clear box which are commonly used size, easy to use and install Feature: Flat head countersunk screws which head can be better embedded in the installation surface to ensure that the surface smooth Application: Great for indoor and outdoor use, in the home and office appliance, communication equipments, ship assembly and other machinery industry Package Include: This Set Of Fasteners Includes Several Different Sizes Of Screws And Nuts That Are Very Common Size, Make Your Life Convenient ?1. Product Type: Allen hex drive flat head countersunk socket cap bolts screws ?2. Product Material: Made of superior 304 Stainless Steel, hard and durable, can resist rust and corrosion for long time use ?3. Package Include:Different size of M3 M4 M5 screws and nuts total 510pcs in a clear box which are commonly used size, easy to use and install ?4. Product Feature: Flat head countersunk screws which head can be better embedded in the installation surface to ensure that the surface smooth International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.