Overview

Professional 4280-Piece Metric Stainless Steel Hardware Assortment Kit Upgrade your workshop with the ultimate metric fastener solution. This comprehensive 2140-piece assortment brings together M2, M3, M4, and M5 hex socket head cap screws featuring both DIN7991 flat head (countersunk) and ISO7380 button head styles. Complemented by full sets of hex nuts, flat washers, spring washers, and convenient installation tools (Allen keys, driver bits, tweezers), this kit ensures you never delay a project due to missing hardware. Built to Last: Premium 304 Stainless Steel Construction Engineered from high-grade 304 stainless steel, each screw, nut, and washer provides superior rust protection, corrosion resistance, and high tensile strength compared to standard carbon steel. Whether used indoors on sensitive electronics or outdoors in damp weather conditions, these fasteners maintain structural integrity without wear or oxidation. Dual Head Versatility for Precision Projects DIN7991 Flat Head Screws: Sit flush with surface materials for sleek, snag-free integration into mechanical assemblies and enclosures. ISO7380 Button Head Screws: Offer a wider contact surface and smooth dome finish, ideal for joint reinforcement and panel mounting. Tailored for DIYers, Engineers & Technicians This versatile set meets the demanding requirements of 3D printing enthusiasts, RC model builders, drone hobbyists, automotive repairers, and electronics technicians. Keep your workspace orderly with the included double-sided, high-impact storage organizer featuring dedicated size compartments and clear visual labels.

Features

• [Comprehensive Metric Assortment] Complete 4280Pcs Hardware Kit Includes M2, M3, M4, M5 metric hex socket screws in both DIN7991 flat countersunk and ISO7380 button head designs. Perfectly paired with matching hex nuts, flat washers, spring lock washers, plus bonus Allen wrenches, driver bits, and tweezers for instant project readiness.
• [Industrial 304 Stainless Steel] Superior Corrosion & Rust Resistance Crafted from premium 304 (18-8) stainless steel, offering exceptional hardness, oxidation resistance, and long-lasting durability. Designed to withstand harsh, humid, and outdoor environments without stripping, rusting, or deforming under stress.
• [Dual Head Precision Design] Flush & Surface Clamping Versatility Features flat head screws for seamless flush surface finishes and button head screws for broader load distribution. Precision-cut deep hex sockets prevent slippage, while included lock washers absorb vibration to maintain secure, tight connections.
• [Wide Application Scenarios] Ideal for Machinery, Electronics & Modern DIY Engineered for precise fitting across multiple industries. Excellent for 3D printer maintenance, RC cars, drones, computer builds, robotics, automotive fixes, furniture assembly, and custom home workshop projects.
• [Organized Storage & Target User] Portable Compartment Case for Makers Tailored for professional mechanics, engineers, woodworkers, and DIY enthusiasts. All 2140 pieces are neatly separated in a heavy-duty grid storage box with clear size labels, preventing mixing and ensuring rapid tool selection during high-efficiency tasks.

Specifications

• Package dimensions: 12.4 x 8.5 x 2.4 in
• Weight: 4.8 lb

Condition

New: This item is brand new, unused, unopened, and in its original packaging. It has never been worn or used and is in perfect condition, just as received from the manufacturer.