---
product_id: 333084083
title: "140Pcs M6 Crib Screws Hardware Replacement Kit Black Hex Socket Cap Bolts Crib Bolts and Barrel Nuts Cross Dowel Assortment Kit M6x20/30/40/50/60/70/80mm for Furniture"
brand: "mardatt"
price: "¥5452"
currency: JPY
in_stock: true
reviews_count: 6
category: "Mardatt"
url: https://www.desertcart.jp/products/333084083-140pcs-m6-crib-screws-hardware-replacement-kit-black-hex-socket
store_origin: JP
region: Japan
---

# 140pcs all-in-one kit M6 metric precision Black zinc corrosion-proof 140Pcs M6 Crib Screws Hardware Replacement Kit Black Hex Socket Cap Bolts Crib Bolts and Barrel Nuts Cross Dowel Assortment Kit M6x20/30/40/50/60/70/80mm for Furniture

**Brand:** mardatt
**Price:** ¥5452
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade your furniture game with precision & style!

## Quick Answers

- **What is this?** 140Pcs M6 Crib Screws Hardware Replacement Kit Black Hex Socket Cap Bolts Crib Bolts and Barrel Nuts Cross Dowel Assortment Kit M6x20/30/40/50/60/70/80mm for Furniture by mardatt
- **How much does it cost?** ¥5452 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/333084083-140pcs-m6-crib-screws-hardware-replacement-kit-black-hex-socket)

## Best For

- mardatt enthusiasts

## Why This Product

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

## Key Features

- • **Durable Black Zinc Plating:** Corrosion-resistant finish guarantees long-lasting strength and a modern matte black aesthetic.
- • **Versatile Multi-Length Bolts:** Includes 20mm to 80mm bolts to tackle any furniture repair or build with ease and style.
- • **Complete 140-Piece Assortment:** All essential M6 bolts & barrel nuts in one sleek organizer—never run out mid-project.
- • **Hex Socket Head with Included Hex Key:** Effortless installation and removal with a single tool—streamline your DIY workflow like a pro.
- • **Precision Engineered M6 Metric Threads:** Standardized sizing ensures a perfect, rock-solid fit every time for professional-grade furniture assembly.

## Overview

This 140-piece M6 crib screw and barrel nut kit features black zinc-plated hex socket bolts in seven lengths (20-80mm) plus matching barrel nuts, all housed in a sturdy organizer. Crafted from strong metal with corrosion-resistant coating, these metric-standard fasteners deliver durable, precise joints ideal for furniture assembly and repair.

## Description

♞Mardatt M6 Black Zinc Plated Hex Socket Head Furniture Screws Bolts and Barrel Nuts ★Specifications: ◆Color: Black ◆Finish: Zinc ◆Material: Strong Metal ◆Type: Hex Socket Head Bolts ◆Sizes of Bolts: M6 x 20mm 30mm 40mm 50mm 60mm 70mm 80mm ◆Sizes of Barrel Nuts: M6 x 12mm ★Key Features: 🔩Premium Product - Crafted of strong metal, they are tough, solid and stable, built to handle heavy loads. 🔩Nicely Finished Surface - Its surface is treated by zinc plating and is odorless. Flat round head makes it more beautiful after installation. 🔩Precise and Making A Strong Joint - Each Bolt and nut accords with standardized metric system, offering a good match between bolt and barrel nuts. ★Package Included: 10 x M6*20mm Bolts 10 x M6*30mm Bolts 10 x M6*40mm Bolts 10 x M6*50mm Bolts 10 x M6*60mm Bolts 10 x M6*70mm Bolts 10 x M6*80mm Bolts 70 x M6*12mm Barrel Nuts 1 x hex key Total: 141pcs ✎✎Friendly Customer Service 🔩If for any reason you are not fully satisfied with your purchase, please don’t hesitate to contact us at any time. We would reply within 12-hour and solve all the problems to your satisfaction:) ♥Warm Tips: 1. Please check the 2nd picture for the detailed dimensions of the product before purchase. 2. Small parts, keep away from children under 6 years old.

Review: Good - Good
Review: Deliveries often go to the wrong address and not on time.Products have been good when received and competitively priced

## Features

- ♞【WHAT YOU GET】----- These bed bolts come with the matching barrel nuts to hold the bolt in place. Total 140pcs. Plus, 1pc hex key is included, offering ease of use by hand. Once they are installed, they would make strong joints for your furniture.
- ♞【PREMIUM MATERIAL】----- Made of Strong Metal, the black zinc-plated protective coating make these screws able to resist corrosion and rust, ensuring long-term durability in dry, indoor conditions. Besides, they features accurate threads, solid construction and smooth surface without burrs, which greatly enhance their performance.
- ♞【PRODUCT TYPE】 ----- Black Zinc-Plated M6 Hex Socket Bolts and Barral Nuts. Drive Type: Hex Socket; Head Style: Flat Round Head; These product accord with standardized metric system. Accurate, tough and tight. FOR THE DETAILED DIMENSIONS, PLEASE CLICK THE 2ND PICTURE.
- ♞【SELECTED BOLTS ASSORTMENT】 ----- We provide you with the most common m6 screw length all in 1 kit: 20mm 30mm 40mm 50mm 60mm 70mm 80mm, packed by sizes in a sturdy plastic container for your easy, convenient and hassal-free storage.
- ♞【WIDELY USED】----- These sturdy fastener make great replacement in your various professional or household assembly such as cribs, chairs, desk, cabinets, wardrobes, bunk beds, headboards, cupboards etc. Our screws will join securely and get the job done!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08LMT8MGX |
| ASIN  | B08LMT8MGX |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #19,942 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #27 in Socket Cap Screws |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (236) |
| Customer reviews | 4.5 4.5 out of 5 stars (236) |
| Cutting Diameter | 6 Millimeters |
| Date First Available | 9 February 2021 |
| Date First Available  | 9 February 2021 |
| Finish | Black Zinc Plated |
| Finish type | Black Zinc Plated |
| Head Style | Hex |
| Head style | Hex |
| Item Package Quantity | 1 |
| Item Weight | 1.12 Kilograms |
| Item diameter | 6 Millimeters |
| Item model number | M-65 |
| Item model number  | M-65 |
| Manufacturer | Mardatt |
| Manufacturer  | Mardatt |
| Measurement System | Metric |
| Number of pieces | 140 |
| Package Dimensions  | 19.4 x 13.6 x 3.4 cm; 1.12 kg |
| Part number | M-65 |
| Shape | Round |
| Thread size | M6 |
| UPC | 798789765530 |

## Product Details

- **Brand:** Mardatt
- **Colour:** Black
- **Fastener type:** Bolt, Cap, Hex, Round
- **Material:** Alloy Steel
- **Size:** 20-80mm Assortment Kit

## Images

![140Pcs M6 Crib Screws Hardware Replacement Kit Black Hex Socket Cap Bolts Crib Bolts and Barrel Nuts Cross Dowel Assortment Kit M6x20/30/40/50/60/70/80mm for Furniture - Image 1](https://m.media-amazon.com/images/I/61J6u5qEczL.jpg)
![140Pcs M6 Crib Screws Hardware Replacement Kit Black Hex Socket Cap Bolts Crib Bolts and Barrel Nuts Cross Dowel Assortment Kit M6x20/30/40/50/60/70/80mm for Furniture - Image 2](https://m.media-amazon.com/images/I/7152o+u+QcL.jpg)
![140Pcs M6 Crib Screws Hardware Replacement Kit Black Hex Socket Cap Bolts Crib Bolts and Barrel Nuts Cross Dowel Assortment Kit M6x20/30/40/50/60/70/80mm for Furniture - Image 3](https://m.media-amazon.com/images/I/71JqBpm6iGL.jpg)
![140Pcs M6 Crib Screws Hardware Replacement Kit Black Hex Socket Cap Bolts Crib Bolts and Barrel Nuts Cross Dowel Assortment Kit M6x20/30/40/50/60/70/80mm for Furniture - Image 4](https://m.media-amazon.com/images/I/71Qo45CXSgL.jpg)
![140Pcs M6 Crib Screws Hardware Replacement Kit Black Hex Socket Cap Bolts Crib Bolts and Barrel Nuts Cross Dowel Assortment Kit M6x20/30/40/50/60/70/80mm for Furniture - Image 5](https://m.media-amazon.com/images/I/71Y1SxDcw8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good
*by F***B on 24 October 2023*

Good

### ⭐ Review
*by A***R on 1 August 2024*

Deliveries often go to the wrong address and not on time.Products have been good when received and competitively priced

### ⭐⭐⭐⭐ Review
*by I***M on 17 July 2021*

These were the perfect specs and quality for my project. Good price and fast shipping too.

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**Shop now:** [https://www.desertcart.jp/products/333084083-140pcs-m6-crib-screws-hardware-replacement-kit-black-hex-socket](https://www.desertcart.jp/products/333084083-140pcs-m6-crib-screws-hardware-replacement-kit-black-hex-socket)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-07*