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🔧 Screw it right, every time — the pro’s choice for flawless fastening!
This 720-piece M3 hex socket screw assortment features durable black alloy steel screws in multiple lengths (4-12mm) and head styles (flat & pan). Packaged in a smart compartmentalized box, it offers corrosion resistance, precise threading, and broad compatibility with electronics, 3D printers, and industrial equipment—ideal for millennial professionals demanding reliability and organization.
| ASIN | B0BMQGV4SW |
| Best Sellers Rank | #9,892 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #70 in Socket Head Screws |
| Brand | qiwuhai |
| Color | Black |
| Compatible Groove Diameter | 3 Millimeters |
| Customer Reviews | 4.7 4.7 out of 5 stars (392) |
| Drive System | External Hex |
| Exterior Finish | Black Oxide |
| Fastener Size | M3 |
| Fastener Type | button |
| Finish Types | Plain |
| Grade Rating | Commercial or Industrial |
| Head Type | Flat |
| Item Diameter | 3 Millimeters |
| Item Dimensions | 5.12 x 2.56 x 0.91 inches |
| Item Weight | 0.36 Kilograms |
| Manufacturer | qiwuhai |
| Material Type | Alloy Steel |
| Metal Type | Alloy Steel |
| Model | 720 |
| Number Of Items | 1 |
| Number of Pieces | 720 |
| Outside Diameter | 3 Millimeters |
| Part Number | 720 |
| Screw Head Style | Flat |
| Screw Point Style | Flat Point, Round Point |
| Set Name | Assortment Kit |
| Set Screw Thread Type | metric |
| Size Name | One Size |
| Thread Class | standard |
| Thread Coverage | Fully Threaded |
| Thread Size | M3x(4mm/6mm/8mm/10mm/12mm) |
| Thread Style | Right Hand M3 |
| Thread Type | Metric |
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