LuKaiSen 450PCS M3 Phillips Flat Head Machine Screws and Nuts Assortment Kit, 4.8 Grade Carbon Steel Metric Bolts (M3 x 4/6/8/10/12/16/20mm) with Black Oxide Finish for Electronics, Furniture, DIY

Features

• 1. PREMIUM 4.8 GRADE CARBON STEEL: Manufactured from high-quality 4.8 grade carbon steel, these M3 screws offer reliable strength and durability for everyday fastening tasks. The professional black oxide finish provides enhanced corrosion resistance while offering a sleek, non-reflective aesthetic that blends perfectly with black equipment or furniture.
• 2. COUNTERSUNK FLAT HEAD DESIGN: Featuring a classic flat head (countersunk) design, these screws are engineered to sit flush with or below the surface once installed. This ensures a smooth, snag-free finish, making them the ideal choice for cabinetry, electronic enclosures, and precision DIY projects where appearance matters.
• 3. COMPREHENSIVE M3 METRIC SET: This 450-piece hardware kit includes 7 popular lengths of M3 screws (4mm, 6mm, 8mm, 10mm, 12mm, 16mm, 20mm) and 200 matching M3 hex nuts. Whether you are repairing a household appliance or building a 3D printer, you’ll always have the right size at your fingertips.
• 4. PRECISION PHILLIPS DRIVE: Designed with a standard Phillips (cross) drive, these bolts are easy to install with common screwdrivers, reducing the risk of cam-out or stripping. The deep, clean threads ensure a tight grip and stable fastening in various materials, from plastic to thin metal sheets.
• 5. ORGANIZED STORAGE & SIZE LABELED: All components are neatly organized in a heavy-duty, transparent storage case with individual compartments. A clear size chart is included on the lid for quick identification, saving you time and preventing the frustration of mixing different sizes during your work.