646 Pcs M3 Screws Set, Countersunk Bolts and Nuts, Stainless Steel Flat Head Washers for Repair DIY, Machine with Wrench

STURDY 304 STAINLESS STEEL BUILD: Crafted from high-grade 304 stainless steel, these M3 fasteners offer exceptional corrosion resistance and toughness. Perfect for damp environments or projects requiring long-term structural integrity, ensuring your repairs stay secure without the worry of metal fatigue or oxidation. MASSIVE 646-PIECE PRECISION SET: IEAWISL flat head screws kit provides 8 essential lengths (6mm to 30mm),215pcs total, plus 215 matching nuts and 215 flat washers. With a generous quantity of small sizes, you’ll always have enough spares for delicate electronic fixes or intricate components. REINFORCED STORAGE & CLEAR SCALES: We’ve upgraded the organizer box with divider walls and latches to prevent small M3 parts from mixing during shipping. Every box features double-sided clear size labels, so you can locate the exact bolt instantly, even in a cluttered workspace. READY-TO-USE TOOL INCLUDED: Each set comes with a high-torque Allen wrench tailored for M3 hex sockets. The deep drive hole design reduces the risk of stripping or slipping during installation, allowing for smooth, professional-level fastening for both hobbyists and technical professionals. PRECISION FLUSH-MOUNT INTEGRATION: The meticulously crafted flat head design allows for a perfectly level finish, integrating seamlessly into the material surface for a sleek, snag-free profile. This streamlined fit is ideal for high-precision builds like drones, laptops, and mechanical prototypes, ensuring a professional appearance and a smooth, unobstructed exterior that maintains the structural harmony of your most detailed projects.