---
product_id: 329235312
title: "DYWISHKEY 200 Pieces M3 x 30mm/35mm/40mm/45mm/50mm, 12.9 Grade Alloy Steel Hex Socket Head Cap Bolts Screws Nuts Kit with Hex Wrench"
brand: "dywishkey"
price: "185.43 DT"
currency: TND
in_stock: true
reviews_count: 5
category: "Dywishkey"
url: https://www.desertcart.tn/products/329235312-dywishkey-200-pieces-m3-x-30mm-35mm-40mm-45mm-50mm
store_origin: TN
region: Tunisia
---

# Precision ±0.01mm sizing 200 pcs versatile kit 12.9 grade alloy steel strength DYWISHKEY 200 Pieces M3 x 30mm/35mm/40mm/45mm/50mm, 12.9 Grade Alloy Steel Hex Socket Head Cap Bolts Screws Nuts Kit with Hex Wrench

**Brand:** dywishkey
**Price:** 185.43 DT
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your builds with precision and power — don’t get left behind!

## Quick Answers

- **What is this?** DYWISHKEY 200 Pieces M3 x 30mm/35mm/40mm/45mm/50mm, 12.9 Grade Alloy Steel Hex Socket Head Cap Bolts Screws Nuts Kit with Hex Wrench by dywishkey
- **How much does it cost?** 185.43 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/329235312-dywishkey-200-pieces-m3-x-30mm-35mm-40mm-45mm-50mm)

## Best For

- dywishkey enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Assembly:** Hex socket head design with included wrench for quick, secure fastening
- • **Unmatched Durability:** Premium 12.9 grade alloy steel resists rust, corrosion & extreme conditions
- • **Pro-Grade Versatility:** Ideal for electronics, machinery, 3D printing, and custom builds
- • **Effortless Organization:** Sturdy, compartmentalized box keeps your fasteners sorted and ready
- • **All-in-One Precision Kit:** 200 pieces covering M3 x 30-50mm for every project need

## Overview

The DYWISHKEY 200-piece M3 hex socket head bolt and nut kit features high-strength 12.9 grade alloy steel fasteners in five precise lengths (30-50mm) with ±0.01mm accuracy. Engineered for superior corrosion resistance and durability, this kit is perfect for professionals and DIYers tackling electronics, machinery, and custom projects. Packaged in a robust organizer box, it ensures easy access and prevents loss, making it the ultimate fastener solution for millennial managers who demand quality and efficiency.

## Description

【Specifications:】 - Color: Black - Quantity: 200 Pieces - Material: 12.9 Grade Alloy Steel - Type: Hex Socket Head Cap Head Bolts Screws - Sizes: M3 x 30mm/35mm/40mm/45mm/50mm 【Features:】 1, 12.9 grade alloy steel with superior rust resistant ensure long lasting results，corrosion resistance, anti-aging, good toughness 2, This kit can be widely used in all kinds of precision machinery, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc. 【Package Included:】 M3 x 30mm------------------------20 PCS M3 x 35mm------------------------20 PCS M3 x 40mm------------------------20 PCS M3 x 45mm------------------------20 PCS M3 x 50mm------------------------20 PCS M3 Nuts----------------------------100 PCS 【Total: 200 Pieces, 12.9 Grade M3 Alloy Steel Hex Socket Head Cap Bolts Screws Nuts】 【Note: Small parts, keep away from children under 6 years old.】

Review: Excellent Quality and Craftsmanship - I recently purchased the DYWISHKEY 200-piece set of M3 stainless steel hex screws, and I am thoroughly impressed with their quality. This kit, featuring screws in lengths of 30mm, 35mm, 40mm, 45mm, and 50mm, is exceptionally well-crafted. The precision and quality of these screws are evident right out of the box. Each piece is uniform in size and finish, which speaks volumes about the care and quality control put into this product. The stainless steel 304 material is durable and gives me confidence in the longevity and strength of these fasteners. What I appreciate most about this kit is its versatility. The variety of lengths makes it suitable for a wide range of applications, and I found it perfect for multiple projects, including some involving intricate assembly. In summary, the DYWISHKEY 200-piece stainless steel hex screw kit is a fantastic find. Its high-quality craftsmanship, combined with the variety of sizes, makes it an essential kit for anyone needing reliable and well-made fasteners. Highly recommended for both professional and DIY use.
Review: Perfect for Custom Builds - This bolt and screw kit has been ideal for my custom builds. The M3 size fits perfectly with my 3D printing projects and other mechanical tasks. The variety of lengths included allows for flexibility in different applications, and the hex wrench makes assembly easy. The quality is excellent, and everything comes neatly organized, making it simple to find the right piece when needed.

## Features

- 【SIZES】--- M3 x 30mm/35mm/40mm/45mm/50mm Hex Socket Head Cap Bolts Screws Nuts. According with standardized metric system. And the average error is less than 0.01mm. Different sizes can meet your different using.
- 【MATERIAL】--- Made of high quality 12.9 grade alloy steel, which features is strength and offers good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and the excellent of oxidation resistance, which can ensure long time using.
- 【PACKAGE】--- All of Screws and Nuts are packed in a durable and sturdy Box to efficiently bear the weight of the whole package. In order to avoid the screws being scattered or lost during use, we specially package for each different type of screws for your convenience and storage. Not only give you the best product, but also the best storage system for them.
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07VRC6DHD |
| Brand | DYWISHKEY |
| Brand Name | DYWISHKEY |
| Colour | Black |
| Customer Reviews | 4.7 out of 5 stars 600 Reviews |
| Fastener Type | Hex |
| Fastener type | Hex |
| Finish Types | Zinc Plating |
| Head style | Socket |
| Item Diameter | 3 Millimetres |
| Item Shape | Hexagonal |
| Manufacturer | DYWISHKEY |
| Manufacturer Part Number | DIY---Black---YUANZHUTOU---200P---M3---1 |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model Number | DIY---Black---YUANZHUTOU---200P---M3---1 |
| Number Of Items | 200 |
| Number of Pieces | 200 |
| Outside Diameter | 3 Millimetres |
| Screw Head Style | Socket |
| Set Name | DYWISHKEY M3 Alloy Steel Hex Socket Head Cap Bolts Screws Nuts Kit (200 Pieces) |
| Size | M3 x 30mm/35mm/40mm/45mm/50mm |
| Thread Size | M3 |
| UPC | 659499168083 |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** DYWISHKEY
- **Colour:** Black
- **Fastener type:** Hex
- **Material:** Alloy Steel
- **Size:** M3 x 30mm/35mm/40mm/45mm/50mm

## Images

![DYWISHKEY 200 Pieces M3 x 30mm/35mm/40mm/45mm/50mm, 12.9 Grade Alloy Steel Hex Socket Head Cap Bolts Screws Nuts Kit with Hex Wrench - Image 1](https://m.media-amazon.com/images/I/81O-zYiOZVL.jpg)
![DYWISHKEY 200 Pieces M3 x 30mm/35mm/40mm/45mm/50mm, 12.9 Grade Alloy Steel Hex Socket Head Cap Bolts Screws Nuts Kit with Hex Wrench - Image 2](https://m.media-amazon.com/images/I/81XSrIBF6IL.jpg)
![DYWISHKEY 200 Pieces M3 x 30mm/35mm/40mm/45mm/50mm, 12.9 Grade Alloy Steel Hex Socket Head Cap Bolts Screws Nuts Kit with Hex Wrench - Image 3](https://m.media-amazon.com/images/I/71btjRGia2L.jpg)
![DYWISHKEY 200 Pieces M3 x 30mm/35mm/40mm/45mm/50mm, 12.9 Grade Alloy Steel Hex Socket Head Cap Bolts Screws Nuts Kit with Hex Wrench - Image 4](https://m.media-amazon.com/images/I/71RkO1gz+7L.jpg)
![DYWISHKEY 200 Pieces M3 x 30mm/35mm/40mm/45mm/50mm, 12.9 Grade Alloy Steel Hex Socket Head Cap Bolts Screws Nuts Kit with Hex Wrench - Image 5](https://m.media-amazon.com/images/I/71fnhJyyzvL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent Quality and Craftsmanship
*by K***. on 10 December 2023*

I recently purchased the DYWISHKEY 200-piece set of M3 stainless steel hex screws, and I am thoroughly impressed with their quality. This kit, featuring screws in lengths of 30mm, 35mm, 40mm, 45mm, and 50mm, is exceptionally well-crafted. The precision and quality of these screws are evident right out of the box. Each piece is uniform in size and finish, which speaks volumes about the care and quality control put into this product. The stainless steel 304 material is durable and gives me confidence in the longevity and strength of these fasteners. What I appreciate most about this kit is its versatility. The variety of lengths makes it suitable for a wide range of applications, and I found it perfect for multiple projects, including some involving intricate assembly. In summary, the DYWISHKEY 200-piece stainless steel hex screw kit is a fantastic find. Its high-quality craftsmanship, combined with the variety of sizes, makes it an essential kit for anyone needing reliable and well-made fasteners. Highly recommended for both professional and DIY use.

### ⭐⭐⭐⭐⭐ Perfect for Custom Builds
*by M***U on 9 August 2024*

This bolt and screw kit has been ideal for my custom builds. The M3 size fits perfectly with my 3D printing projects and other mechanical tasks. The variety of lengths included allows for flexibility in different applications, and the hex wrench makes assembly easy. The quality is excellent, and everything comes neatly organized, making it simple to find the right piece when needed.

### ⭐⭐⭐⭐⭐ Solid and quality screws
*by A***R on 20 May 2024*

Exactly what I was looking for, only issue was the M3 nuts getting loose inside the box due to being tossed around in shipping, otherwise perfect and exactly what I was looking for.

## Frequently Bought Together

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-10*