---
product_id: 463882987
title: "Kadrick Small Metric Screws Suitable for 3D Printer DIY, 400 Pcs M3 Screw and Nut Assortment Hex Socket Head Cap, 12.9 Grade Alloy Steel,Black Zinc Plated"
brand: "kadrick"
price: "AR$34292"
currency: ARS
in_stock: true
reviews_count: 8
category: "Kadrick"
url: https://www.desertcart.com.ar/products/463882987-kadrick-small-metric-screws-suitable-for-3d-printer-diy-400
store_origin: AR
region: Argentina
---

# 400 pcs M3 screws & nuts Black zinc plated, rust-proof finish Grade 12.9 ultra-strong alloy steel Kadrick Small Metric Screws Suitable for 3D Printer DIY, 400 Pcs M3 Screw and Nut Assortment Hex Socket Head Cap, 12.9 Grade Alloy Steel,Black Zinc Plated

**Brand:** kadrick
**Price:** AR$34292
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your DIY game with screws that mean business!

## Quick Answers

- **What is this?** Kadrick Small Metric Screws Suitable for 3D Printer DIY, 400 Pcs M3 Screw and Nut Assortment Hex Socket Head Cap, 12.9 Grade Alloy Steel,Black Zinc Plated by kadrick
- **How much does it cost?** AR$34292 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/463882987-kadrick-small-metric-screws-suitable-for-3d-printer-diy-400)

## Best For

- kadrick enthusiasts

## Why This Product

- Trusted kadrick brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rust-Free, Mess-Free:** Black zinc plating keeps screws rust-proof and your hands clean—no oily residue.
- • **Organized for Efficiency:** Comes in a sturdy, easy-access plastic storage box to keep your workspace clutter-free.
- • **Precision Perfect for Makers:** Clean-cut M3 threads ensure flawless fit for 3D printing & DIY projects.
- • **Trusted Quality with Warranty:** Rigorous testing and 24-month after-sales support for total peace of mind.
- • **Built to Last, Built to Impress:** Grade 12.9 alloy steel delivers ultra-high strength that won’t break under pressure.

## Overview

The Kadrick Small Metric Screws set includes 400 M3 hex socket head cap screws and nuts made from Grade 12.9 alloy steel with a durable black zinc plating. Designed for 3D printing and small DIY projects, these rust-proof, non-oily fasteners come neatly organized in a sturdy storage box. Precision-cut threads and ultra-strong material ensure reliable performance, backed by a 24-month warranty for professional-grade confidence.

## Description

desertcart.com: Kadrick Small Metric Screws Suitable for 3D Printer DIY, 400 Pcs M3 Screw and Nut Assortment Hex Socket Head Cap, 12.9 Grade Alloy Steel,Black Zinc Plated : Industrial & Scientific

Review: Good assortment for hobbyists. - Given that M3 is one is the most popular sizes for period who make functional 3D printed objects, this is a great assortment for people in that hobby. The threads are cut cleanly and the black coating seems durable so far with bone having chipped or rubbed off. Given that they fit nicely into my M3 heat set inserts and that I've been able to use nuts from this set on other M3 screws, I'd say the manufacturing accuracy is pretty good.
Review: Just what was needed - good quality and affordable - Exactly as expected. Good quality and just the right sizes and plenty of them for a great price. I ordered these to construct a 3d print project (fold out SD/MicroSD card holder). The 16mm head was just slightly (such a tiny little bit) bigger in diameter than the 20 mm. So i had to use one of the 20 mm instead for one corner. This will probably not make a bit of difference for literally anyone else, but figured i'd mention just in case. I placed and removed one screw like ten times and the black didn't come off, the head stayed the right shape so quality seems good. Comes with a helpful little alan key and a teeny magnet that makes the tiny pieces just a little bit easier to use when trying to pick up and place them.

## Features

- 【Suitable for small DIY projects】 These small screws and nuts are especially suitable for 3D printing DIY and RC car enthusiasts.
- 【Not oily and rust proof】 These black zink plated finish screws are not oily, they will not dirty your hands or DIY items, and the rust proof performance is better than other oiled screws.
- 【Good Storage and assortment】All these screws are sacked in a sturdy easy-use plastic storage box, organized Conveniently and Easily.
- 【Easy to operate and strong】 Hex socket head cap screws can be screwed into the nut directly by hand without a wrench, Grade 12.9 alloy steel screws are ultra-high strength and not easy to break.
- 【Brand guarantee】: Kadrick specializes in the production and development of fasteners. Our products have undergone rigorous testing, so you can use them with confidence. Additionally, we provide a 24-month after-sales warranty service. If you have any questions, please feel free to contact us.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B51BFSWZ |
| Best Sellers Rank | #3,416 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #20 in Screw & Bolt Assortment Sets |
| Compatible groove diameter | 3 Millimeters |
| Date First Available | June 24, 2022 |
| Fastener Type | Cap, Hex |
| Finish Type | Black Zinc Plated |
| Head Style | Socket Cap |
| Is Discontinued By Manufacturer | No |
| Item Diameter | 3 Millimeters |
| Item Weight | 9.9 ounces |
| Item model number | m3 |
| Manufacturer | Kadrick |
| Number of Items | 400 |
| Number of Pieces | 400 |
| Set Name | M3 Screw and Nut Assortment |
| Shape | Hexagonal |
| Thread Size | M3 |
| UPC | 716035478782 |

## Product Details

- **Brand:** Kadrick
- **Color:** Black
- **Item dimensions L x W x H:** 6 x 3 x 1 inches
- **Material:** Alloy Steel
- **Size:** 400Pcs Black

## Images

![Kadrick Small Metric Screws Suitable for 3D Printer DIY, 400 Pcs M3 Screw and Nut Assortment Hex Socket Head Cap, 12.9 Grade Alloy Steel,Black Zinc Plated - Image 1](https://m.media-amazon.com/images/I/71k0i9UL3dL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good assortment for hobbyists.
*by R***N on October 29, 2025*

Given that M3 is one is the most popular sizes for period who make functional 3D printed objects, this is a great assortment for people in that hobby. The threads are cut cleanly and the black coating seems durable so far with bone having chipped or rubbed off. Given that they fit nicely into my M3 heat set inserts and that I've been able to use nuts from this set on other M3 screws, I'd say the manufacturing accuracy is pretty good.

### ⭐⭐⭐⭐⭐ Just what was needed - good quality and affordable
*by S***Y on August 10, 2025*

Exactly as expected. Good quality and just the right sizes and plenty of them for a great price. I ordered these to construct a 3d print project (fold out SD/MicroSD card holder). The 16mm head was just slightly (such a tiny little bit) bigger in diameter than the 20 mm. So i had to use one of the 20 mm instead for one corner. This will probably not make a bit of difference for literally anyone else, but figured i'd mention just in case. I placed and removed one screw like ten times and the black didn't come off, the head stayed the right shape so quality seems good. Comes with a helpful little alan key and a teeny magnet that makes the tiny pieces just a little bit easier to use when trying to pick up and place them.

### ⭐⭐⭐⭐⭐ Nice variety set
*by A***R on November 13, 2025*

Perfect for my application, fasteners seem to be good quality.

## Frequently Bought Together

- Kadrick Small Metric Screws Suitable for 3D Printer DIY, 400 Pcs M3 Screw and Nut Assortment Hex Socket Head Cap, 12.9 Grade Alloy Steel,Black Zinc Plated
- Kadrick Metric Screw Assortment, 660 Pcs M2 Screws, M2*4mm/6mm/8mm/10mm/12mm/16mm,12.9 Grade Alloy Steel, Metric Hex Socket Head Cap Screws Nuts Washers Kit, Black Zinc Plated Anti Rust Upgrade
- Kadrick 420Pcs M3 M4 M5 Threaded Inserts Assortment Kit for 3D Printing Components, Metric Brass Knurled Nuts, Insert by Heat into Plastic Parts

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-26*