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🔧 Screw it right, screw it tight—join the pros with Kadrick’s ultimate M4 kit!
The Kadrick 1580PCS M4 Hex Socket Cap Head & Button Head Screws and Nuts Kit offers a comprehensive assortment of high-strength Grade 10.9 and 12.9 alloy steel fasteners in multiple lengths (6-40mm). Packaged in a sturdy, organized storage box, this kit is engineered for precision and durability, ideal for 3D printing, industrial, and DIY projects. Backed by a 24-month warranty and trusted by professionals, it’s the go-to solution for reliable, versatile fastening.
| ASIN | B0CQNPWSG4 |
| Best Sellers Rank | #932 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 out of 5 stars 109 Reviews |
| 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 Highlight | M4-0.7*4/6/8/12/16/20/25/30/40 mm Bolts,Nuts and Washers Assortment Kit, 12.9 & 10.9 Grade Black Screws for 3D Printer |
| Item Shape | Hexagonal |
| Item dimensions L x W x H | 7.7 x 5.5 x 1.5 inches |
| Manufacturer | Kadrick |
| Material | Alloy Steel |
| 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 | M4 1580Pcs 6-40mm |
| Size Name | M4 1580Pcs 6-40mm |
| Thread Size | M4 x 0.7 |
| Unit Count | 1580 Count |
I**L
good
Good
P**S
Great Variety Set
Great variety set of hardware for multiple projects
M**5
I do not have to drive around looking said screw.
Really nice organized set of screws, washers and nuts of various sizes listed on Amazon. I fly Remote Controlled airplanes and most are made overseas and thus are metric. I now have ordered similiar boxes of screws in 2mm, 3mm and this one of 4mm. These sizes are hard to find in a hardware store and if found, the cost of gas getting there and the price of the screw, to say nothing of your time, makes buying boxes of various sizes a great deal.
D**O
Useful but not a broad range of sizes
A reasonable assortment, but too many of the screws and fittings were duplicates from other boxes that I purchased. I wanted longer screws but there were only a small number in the box. Otherwise these were cheaper than the hardware store and may be useful in the future.
J**Y
Amazing Value
What's there to say - it's a hardware assortment and what I have used so far works as it should. For the money there is no reason to not stock these varieties versus buying individually at the hardware store.
T**E
Nice quality
Nice quality
D**N
TV mount screws
Got this for the M4 x 30 screws. Perfect for putting on the base legs for the TV.
C**N
Great to use with 3d prints
Good quality and comes with lots. I use these for some 3d prints I've printed. Between the 4m and 3m sizes, i have all that i need for just about any future lrint im going to do. The container it comes in is good enough, some of the dividers on the inside came loose on delivery but it's not a huge deal.
Trustpilot
3 weeks ago
1 week ago