500PCS M4 Socket Head Bolts Assortment Kit, M4x6/8/12/16/20/30mm Screw
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- 【500pcs M4 Bolts Assortment】This M4 screw kit includes a total of 500 pieces: 125pcs of hex socket head cap screws in 7 commonly used metric lengths (M4×6mm:29pcs, M4×8mm:28pcs, M4×12mm:20pcs, M4×16mm:20pcs, M4×20mm:10pcs, M4×25mm:10pcs, M4×30mm:8pcs), plus 125pcs of matching M4 hex nuts, 125pcs of M4 flat washers, and 125pcs of M4 spring (lock) washers. An Allen wrench is also included. This screw assortment is designed to meet daily maintenance, repair, and assembly needs across a wide range of metric fastening tasks
- 【12.9 Grade Alloy Steel & Black Zinc Plating】The M4 screws assortment kit is made from 12.9 grade alloy steel, which provides high tensile strength, hardness, and wear resistance. The black zinc plated finish of the M4 socket head cap screws , hex bolts and other assorted accessories feature resists rust and corrosion. These fasteners may be used in indoor and light outdoor environments.
- 【Hex Socket Head, Allen Drive & Spring Washer Design】The recessed hex socket (Allen) drive allows for secure torque transmission and tightening even in confined or recessed spaces. Each M4 socket head screw features clean, burr‐free metric threads (M4 x 0.7) that help ensure smooth engagement with nuts and tapped holes, helping minimize cross‐threading. The M4 spring (lock) washers are designed to provide axial tension when compressed, which helps resist loosening caused by vibration – complementing the flat washers for more secure assemblies.
- 【Wide Applications】This M4 hardware kit is suitable for a broad range of applications, including 3D printers, CNC machinery, electronics enclosures, RC models and drones, furniture assembly (chairs, small hardware), bicycle repairs, and general DIY projects. Having a complete assortment of metric M4 screws, washers, bolts, and nuts on hand simplifies repairs.
- 【Organized Storage Box】The M4 bolt kit comes in a sturdy, compartmentalized plastic storage case with dedicated sections for each M4 hex screw size, as well as separate compartments for nuts, flat washers, and spring washers. All pieces remain neatly sorted, clearly separated, and easily accessible, reducing time spent searching for the right fastener. The compact and portable design of the M4 assortment fits easily into tool bags, drawers, or shelves.
Estimated shipping
Select a product to estimate shipping.Need a reliable and versatile collection of M4 fasteners? Our DFDU M4 Socket Head Bolt Assortment Kit provides everything you need for a wide variety of projects, from small repairs to larger assembly tasks. This comprehensive kit offers a substantial quantity of screws, nuts, washers, and a handy wrench, ensuring you’re well-equipped for your next job.
Key Highlights
- Large Quantity: Includes 500 pieces – a substantial supply for multiple projects.
- Durable Construction: Crafted from 12.9 grade alloy steel for exceptional strength and wear resistance.
- Corrosion Resistance: Black zinc plating protects against rust and corrosion, extending the lifespan of the fasteners.
- Complete Set: Comes with matching hex nuts, flat washers, and spring washers for a fully functional assembly.
- Convenient Tool Included: A built-in Allen wrench simplifies installation and removal.
Useful Facts
- Material: Alloy Steel
- Thread Size: m4-0.7
- Finish: Black Zinc Plated
- Manufacturer Grade: 12.9
- Head Style: Hex Socket Head
Good Fit For
- DIY enthusiasts and hobbyists
- Maintenance and repair work
- Small electronics assembly
- Model building and crafting
- General mechanical projects
Product details
| Main Specification | |
|---|---|
| Manufacturer | DFDU |
| Unit Count | 500 Count |
| Exterior Finish | Zinc |
| Metal Type | Alloy Steel |
| Head Style | Hex Socket Head |
| Manufacturer Grade | 12.9 |
| Thread Coverage | Fully Threaded |
| Outside Diameter | 4 millimeters |
| Brand | DFDU |
| Head Type | Hex Socket |
| UPC | 717929396410 |
| Fastener Type | Bolt |
| Item Diameter | 4 Millimeters |
| Number of Pieces | 500 |
| Fastener Size | 4mm x 6/8/12/16/20/30mm |
| Thread Size | M4-0.7 |
| Material | Alloy Steel |
| Colour | Black |
| Thread Type | Metric |
| Drive System | Internal Hex |
| Product information | |
| Number of Packs | 1 |
| Set Name | Metric M4 Screws Assortment Kit (500pcs) |
| Technical Details | |
| Thread Style | Right Hand or Metric |
| Part Number | DFDU-Bolt-500 |
| Material Type | Alloy Steel |
| Number Of Items | 500 |
| Item Hardness | Grade 12.9 |
| Set Screw Thread Type | Metric |
| Style | |
| Finish Types | Black Zinc |
| Measurements | |
| Item Dimensions | 7.95 x 4.21 x 0.67 inches |
| Others | |
| Item Highlight | Grade 12.9 Alloy Steel Black Zinc or M4-0.7 Hex Socket Cap Head Screws Nuts Washers Assorted Set or Metric 4mm Bolt for 3D Print |
| Product Type | Nut & Bolt Assortment Sets |
| Size Name | G12.9 M4 500PCS |
| Screw Head Style | Hex Socket Head |
| Screw Point Style | Flat Point |