Fgruh Metric Hex Socket Head Screw Assortment Kit 1220PCS — M3–M6 304 Stainless, Organized Case

Fgruh 1220PCS Metric Hex Socket Head Screws Assortment Kit supplies a complete, clearly labeled set of M3, M4, M5 and M6 stainless steel hex-socket bolts, nuts and washers for precise fastening work.

Whether you build prototypes, repair electronics, or assemble furniture and RC models, this Fgruh kit groups the most common metric socket-head fasteners into one compact, organized case. Each piece is made from 304 stainless steel with tightly formed threads and consistent dimensions so parts fit reliably. The assortment covers a broad range of lengths and includes matching nuts and washers so you can finish assemblies without hunting for complementary hardware.

What sizes and quantities are included in this metric screw assortment?

The set contains four metric diameters—M3, M4, M5 and M6—each offered in multiple lengths to cover typical fastening needs. Counts total 1,220 pieces so you have spares for repeated builds and repairs.

• M3 bolts: 0.5 pitch in 6mm, 8mm, 10mm, 12mm lengths.
• M4 bolts: 0.7 pitch in 8mm, 10mm, 16mm, 20mm lengths.
• M5 bolts: 0.8 pitch in 10mm, 16mm, 20mm, 30mm lengths.
• M6 bolts: 1.0 pitch in 16mm, 25mm, 35mm lengths, plus matching nuts and washers.

How does the material and manufacturing quality affect my projects?

The kit uses 304 stainless steel for corrosion resistance and predictable mechanical behavior. Threads are machined with a reported average tolerance under 0.01mm to ensure consistent engagement with mating components.

• 304 stainless reduces rust in damp environments and outdoor use.
• Smoothly formed hex sockets minimize tool slippage and strip risk.
• Consistent thread pitch helps with repeatable torque and secure clamping.

How is the hardware organized and stored for easy use?

All pieces arrive in a compartmentalized plastic case with clear labels so you can locate the correct diameter and length at a glance. The removable lid and separated sections keep similar items together and prevent mixing during transport or storage.

• Transparent case lid lets you verify contents quickly.
• Individual compartments for bolts, nuts and washers avoid cross-contamination.
• Compact, stackable design fits on benches, shelves, or tool cabinets.

What common applications is this assortment best suited for?

This combination of diameters and lengths suits a wide range of small- to medium-duty fastening tasks where neat, reliable joins matter. Use the kit for electronics enclosures, 3D printer assemblies, RC vehicles, furniture repairs, light machinery and other precision hobby or shop jobs.

• 3D printers, CNC frames and electronics housings.
• RC cars, drones, and model-scale construction.
• Home repairs like chair replacements and cabinet hardware.

Who is this for: Makers, technicians, and home DIYers who need a dependable, ready-to-use supply of metric hex-socket fasteners will find this Fgruh 1220-piece kit valuable. It’s designed for anyone who wants to reduce trips to the hardware store, speed up assembly, and maintain a tidy workspace with clearly sorted, corrosion-resistant bolts, nuts and washers.