---
product_id: 551078457
title: "iExcell 50 Pcs M3 x 40 mm Stainless Steel 304 Hex Socket Button Head Cap Screws Bolts Kit, Thread Pitch 0.5 mm"
brand: "iexcell"
price: "¥10471"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/551078457-iexcell-50-pcs-m3-x-40-mm-stainless-steel-304
store_origin: JP
region: Japan
---

# 304 stainless steel, corrosion-resistant 50 pcs precision M3 x 40mm screws Includes 2.0 mm hex key for perfect fit iExcell 50 Pcs M3 x 40 mm Stainless Steel 304 Hex Socket Button Head Cap Screws Bolts Kit, Thread Pitch 0.5 mm

**Brand:** iexcell
**Price:** ¥10471
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your build game with precision & durability that professionals trust!

## Quick Answers

- **What is this?** iExcell 50 Pcs M3 x 40 mm Stainless Steel 304 Hex Socket Button Head Cap Screws Bolts Kit, Thread Pitch 0.5 mm by iexcell
- **How much does it cost?** ¥10471 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/551078457-iexcell-50-pcs-m3-x-40-mm-stainless-steel-304)

## Best For

- iexcell enthusiasts

## Why This Product

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

## Key Features

- • **Ergonomic Button Head Design:** Curved top for sleek aesthetics and smooth surface finish, perfect for visible assemblies.
- • **ISO 7380 Standard Compliance:** Meets industry standards for quality and performance, giving you peace of mind on every job.
- • **Precision Engineered M3 x 40 mm Screws:** Ideal thread pitch (0.5 mm) and length for reliable fastening in professional projects.
- • **Complete Kit with Hex Key & Storage Box:** Everything you need in one organized package to streamline your workflow and avoid downtime.
- • **Durable Stainless Steel 304 Construction:** High strength and anti-corrosion properties ensure longevity in diverse environments.

## Overview

The iExcell 50 Pcs M3 x 40 mm Hex Socket Button Head Cap Screws Kit features high-quality 304 stainless steel screws with a 0.5 mm thread pitch and ergonomic button heads. Included is a 2.0 mm hex key crafted from chrome-vanadium steel, all housed in a convenient storage box. Designed to meet ISO 7380 standards, this kit offers corrosion resistance and reliable fastening for professional-grade projects.

## Description

✔Meets/exceeds: ISO 7380 ✔Material of Screws: Stainless Steel 304, High Strength And Anti-corrosion in Various Conditions ✔Material of Hex Key : chrome-vanadium steel, nickel plated ✔These screws and hex key come in an easy-use separated girds storage box  Sizes--------------Thread Length------Total Length M3 x 40 mm-----------40 mm-------------41.6mm  Package Contains: M3 x 40 mm--------50 Pcs Hex Key ---1 Pcs  Total---51 Pcs  About Hex Socket Drives:  Hex Socket drives, also known as Internal Hex drives, have a hexagonal hole in the center that requires an Allen key, also known as a hex key or Allen wrench  About Button Head:  Button head is similar to standard pan head screws but have a curved top

## Features

- ✔ Screw Head : Button; Screw Drive: Hex Socket, Hex Size: 2.0 mm
- ✔ Screws: M3 x 40 mm: Thread Pitch: 0.5 mm, Thread Diameter: 3 mm/0.12", Head Diameter: 5.5 mm/0.22", Head Height: 1.6 mm, Thread Length: 40 mm
- ✔ Includes 1 Pcs Hex Key, Hex Size 2.0 mm, to Drives These Screws Easily
- ✔ Material of Screws: Stainless Steel 304, High Strength, Anti-corrosion in Various Conditions
- ✔ Package: 100 Pcs M3 Hex Socket Head Cap Screws and 1 Pcs Hex Key, Come in an Easy-use Storage Box

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | iExcell |
| Part number | M340050 |
| Item Weight | 120 g |
| Package Dimensions | 14.9 x 8 x 1.7 cm; 120 g |
| Item model number | M340050 |
| Size | M3 x 40 mm |
| Material | Stainless Steel |
| Number Of Pieces | 50 |
| Head Style | Button |
| Measurement System | Metric |
| Batteries Required? | No |

## Product Details

- **Material:** Stainless Steel
- **Exterior finish:** Stainless Steel
- **Head style:** Button
- **Brand:** iexcell
- **Size:** M3 x 40 mm

## Images

![iExcell 50 Pcs M3 x 40 mm Stainless Steel 304 Hex Socket Button Head Cap Screws Bolts Kit, Thread Pitch 0.5 mm - Image 1](https://m.media-amazon.com/images/I/81bgK0SdlrL.jpg)
![iExcell 50 Pcs M3 x 40 mm Stainless Steel 304 Hex Socket Button Head Cap Screws Bolts Kit, Thread Pitch 0.5 mm - Image 2](https://m.media-amazon.com/images/I/31dmRw8debL.jpg)
![iExcell 50 Pcs M3 x 40 mm Stainless Steel 304 Hex Socket Button Head Cap Screws Bolts Kit, Thread Pitch 0.5 mm - Image 3](https://m.media-amazon.com/images/I/51BM7dMBfOL.jpg)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-16*