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