Description:_x000D_ These flat head screws are made of 304 stainless steel, which are resistant to rust and corrosion. There are 9 optional thread lengths for you to choose from, which can be generally used in home and office appliance, machinery, furniture, etc._x000D_ _x000D_ Features:_x000D_ 1. 304 stainless steel material has good strength of extension and corrosion resistance in many environments._x000D_ 2. Countersunk head enables driving where it doesn't have sufficient space for wrenches. _x000D_ 3. Ideal for use in confined areas where the head needs to be flush or below the surface._x000D_ 4. Used for fasteners in home and office appliance, communication equipment, ship assembly or other machinery industry._x000D_ 5. 9 optional common lengths are enough to meet your daily use._x000D_ _x000D_ Specifications:_x000D_ Material: 304 Stainless Steel_x000D_ Color: Silver_x000D_ Optional Thread Lengths: 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 30mm_x000D_ Thread Diameter: 3mm (M3)_x000D_ Quantity: 1 x Bag of 100Pcs Flat Head Screws_x000D_ Weight: 26-138g_x000D_ Type: Flat Head Screw_x000D_ Function: Machinery Industry Fastener _x000D_ _x000D_ Package Includes:_x000D_ 1 x Bag of 100Pcs Flat Head Screws 1304 stainless steel material has good strength of extension and corrosion resistance in many environments 2Countersunk head enables driving where it doesn't have sufficient space for wrenches 3Ideal for use in confined areas where the head needs to be flush or below the surface 4Used for fasteners in home and office appliance, communication equipment, ship assembly or other machinery industry 59 optional common lengths are enough to meet your daily use