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🔧 Elevate your build game with Kadrick’s powerhouse M4 kit — don’t get left behind!
The Kadrick Metric Screws Assortment offers 1580 premium M4 screws, nuts, and washers in lengths from 6mm to 40mm, crafted from high-strength grade 10.9 and 12.9 black alloy steel. Designed for precision and durability, this kit includes hex socket button and cap head machine bolts, all organized in a sturdy storage box. Ideal for 3D printing and professional hardware projects, it combines comprehensive variety with trusted quality and a 24-month warranty.
























| ASIN | B0CQNPWSG4 |
| Best Sellers Rank | #1,000 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Screw & Bolt Assortment Sets |
| Brand | Kadrick |
| Color | Black |
| Compatible Groove Diameter | 4 millimeters |
| Customer Reviews | 4.5 4.5 out of 5 stars (93) |
| Fastener Type | Hex Socket Head |
| Finish Types | Black Oxide |
| Grade Rating | Grade 10.9 12.9 |
| Item Diameter | 4 millimeters |
| Item Dimensions | 7.7 x 5.5 x 1.5 inches |
| Item Shape | Hexagonal |
| Manufacturer | Kadrick |
| Material Type | Alloy Steel |
| Maximum Shear Strength | 1040 MPa |
| Model | Metric Screws M4x4mm-40mm |
| Number Of Items | 1 |
| Number of Pieces | 1580 |
| Outside Diameter | 4 millimeters |
| Part Number | 049-B&C-M2-M5-2000 |
| Screw Head Style | Socket Cap |
| Set Name | Kadrick M4 Screws, Nuts & Washers Assortment (1400 Pcs) |
| Size Name | M4 1580Pcs 6-40mm |
| Thread Size | M4 x 0.7 |
| Unit Count | 1580 Count |
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