Part number:Health Gear9u0dtze6cp Item Weight:342 g Size:M4 Material:Plastic,Steel Item Package Quantity:1 Number of Pieces:210 Head Style:Hex, Button Measurement System:Metric, Imperial Batteries included?:No Batteries Required?:No Features: - Made of 304 stainless steel material, the 304 stainless steel material provides strength and offers good corrosion resistance in many environments. - Great for use in confined areas as fixing component, industrial and construction fasteners. - There are many different length of button head screws that you can use for various purposes and projects. - Total 160 pieces screws and 50 pieces nuts for general purpose use will meet your daily basic needs. - Used widely on home and office appliance, communication equipment, ship assembly and other machinery industry. Specifications: Material: 304 stainless steel Grade: A2-70 Screw Type: Hex socket button head Thread: M4 Box Size: 13.2 x 7.2 x 2.3cm / 5.19 x 2.83 x 0.9" Size & Quantity: M4*6mm 20pcs M4*8mm 20pcs M4*10mm 20pcs M4*12mm 20pcs M4*16mm 20pcs M4*20mm 20pcs M4*25mm 20pcs M4*30mm 20pcs M4 Nuts 50pcs Package Includes: 1 Set * Screws & Nuts About this item [Material]: Made of 304 stainless steel material, the button head screws provides strength and offers good corrosion resistance in many environments [Easy to Store]: All of screws and nuts are packed in a durable and sturdy plastic transparent box for quick access and protection [Package Quantity]: 210pcs screw and nuts includes; M4*6mm/ 8mm/ 10mm/ 12mm/ 16mm/ 20mm/ 25mm/ 30mm, each size 20pcs [Wide Applications]: M4 hex socket head screws screws and nuts assortment kit serves a wide range of use and for professionals, amateurs, landlords, repairmen, other DIY [100% Satisfaction]: If you have any question about this item, please feel free to contact us, we will help you within 24 hours on week days [Material]: Made of 304 stainless steel material, the button head screws provides strength and offers good corrosion resistance in many environments [Easy to Store]: All of screws and nuts are packed in a durable and sturdy plastic transparent box for quick access and protection [Package Quantity]: 210pcs screw and nuts includes; M4*6mm/ 8mm/ 10mm/ 12mm/ 16mm/ 20mm/ 25mm/ 30mm, each size 20pcs [Wide Applications]: M4 hex socket head screws screws and nuts assortment kit serves a wide range of use and for professionals, amateurs, landlords, repairmen, other DIY [100% Satisfaction]: If you have any question about this item, please feel free to contact us, we will help you within 24 hours on week days