Welcome to our shop! Made of carbon steel. Stainless steel is a common material with a density of 7.93 g/cm3, also called 18/8. It features good workability and high toughness up to a temperature of about 800 degrees. Various sizes Threaded screws: M2.5 x 3, M2.5 x 4, M3 x 3, M3 x 4,M3 x 10,M4 x 4,M4 x 6,M4 x 8,M5 x 5,M5 x 8,M5 x 10,M6 x 6,M6 x 10,M8 x 8,M8 x 12,Each 20Pieces,for meet different needs.It is a very essential manual tool for the family Threaded screws are arranged in a storage box, which makes it easy for you to find the series and avoid the loss when needed. Hex Socket Cap design, can easily be driven by allen keys and does not slip easily, it also has a thin edge that could dig into the contact surface for a secure grip on a wide range of surfaces. Application: Suitable for door handles, faucet, light fixture, knobs, fitting repair, plumber and other small repairs around the shop, garage or home. Shipping quantity: 300pcs/box Product color: Black Product size: m2.5 x 3, m2.5 x 4, M3 x 3, M3 x 4, M3 x 10, M4 x 4, M4 x 6, M4 x 8, M5 x 5, M5 x 8, M5 x 10, M6 x 6, M6 x 10, M8 x 8, M8 x 12 Note: Manual measurement, please allow 1 - 3cm error! !! satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please immediately. We do our best to provide you with satisfactory after-sales service. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.