---
product_id: 550861804
title: "M10 x 300mm Coach Screws, Heavy Duty, Hex Head, Zinc Plated, Pack of 6"
brand: "llb"
price: "¥9044"
currency: JPY
in_stock: true
category: "Llb"
url: https://www.desertcart.jp/products/550861804-m10-x-300mm-coach-screws-heavy-duty-hex-head-zinc
store_origin: JP
region: Japan
---

# Zinc plated corrosion resistance M10 x 300mm heavy-duty size Hex head for superior torque M10 x 300mm Coach Screws, Heavy Duty, Hex Head, Zinc Plated, Pack of 6

**Brand:** llb
**Price:** ¥9044
**Availability:** ✅ In Stock

## Summary

> 🔩 Secure your build with strength and style — don’t get left behind!

## Quick Answers

- **What is this?** M10 x 300mm Coach Screws, Heavy Duty, Hex Head, Zinc Plated, Pack of 6 by llb
- **How much does it cost?** ¥9044 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/550861804-m10-x-300mm-coach-screws-heavy-duty-hex-head-zinc)

## Best For

- llb enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Heavy-duty M10 x 300mm size engineered for maximum strength in demanding wood projects.
- • **Bulk Pack Advantage:** Set of 6 screws ensures you have the right quantity for multiple projects or large-scale fixes.
- • **Precision Threading:** Half-thread lag bolts provide optimal grip and stability in wooden construction elements.
- • **Effortless Installation:** Hex head design ensures a secure grip and easy driving with standard hex tools.
- • **Corrosion-Resistant Finish:** Zinc plating protects against rust, perfect for outdoor decking, fencing, and sleepers.

## Overview

This pack of 6 heavy-duty M10 x 300mm coach screws features a durable hex head and zinc plating for corrosion resistance. Designed for wood construction, decking, fencing, and railway sleepers, these half-thread lag bolts deliver reliable fastening power with easy installation and long-lasting performance.

## Description

M10 x 300mm Coach Screws, Heavy Duty, Hex Head, Zinc Plated, Pack of 6 | for Sleepers and Wood, Half Thread Lag Bolts, Galvanised, Decking and Fence, Long Timber Fixing, Railway Sleeper Bolts : desertcart.co.uk: DIY & Tools

## Features

- Size – Measuring 4mm x 300mm / 0.4" x 12"
- Quality - Half Thread Bolts
- Quantity - Each pack contains 6 Wood Screws
- Wood Screws Galvanised M10
- Perfect For - Connection of Wooden construction elements

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CDPR1FJC |
| Best Sellers Rank | 21,142 in DIY & Tools ( See Top 100 in DIY & Tools ) 9 in Lag Bolts |
| Brand Name | LLB |
| Colour | Silver |
| Compatible Groove Diameter | 4 Millimeters |
| Country Of Origin | Poland |
| Customer Reviews | 4.4 out of 5 stars 112 Reviews |
| Drive System | Internal Hex |
| Exterior Finish | Zinc |
| Exterior finish | Zinc |
| Fastener Size | 4mm x 300mm |
| Fastener Type | Wood Screws |
| Finish Types | Zinc Plated |
| Head Type | Hex |
| Head style | Hex |
| Item Diameter | 4 Millimetres |
| Item Dimensions | 30 x 1 x 1.7 centimetres |
| Item Highlight | for Sleepers and Wood, Half Thread Lag Bolts, Galvanised, Decking and Fence, Long Timber Fixing, Railway Sleeper Bolts |
| Item dimensions L x W x H | 30 x 1 x 1.7 centimetres |
| Manufacturer | LLB |
| Manufacturer Part Number | WS.MAR.300 |
| Material | Zinc |
| Material Type | Zinc |
| Metal | Zinc |
| Number Of Items | 6 |
| Number of Pieces | 6 |
| Outside Diameter | 17 Millimetres |
| Point style | Flat Point |
| Screw Head Style | Hex |
| Screw Point Style | Flat Point |
| Set Name | Set of 6 Galvanised Wood Screws M10 (10 mm x 300 mm) |
| Set Screw Thread Type | UNC |
| Size | 4mm x 300mm / 0.4" x 12" |
| Thread Coverage | Fully Threaded |
| Thread Size | M10 |
| Thread Style | Right Hand |
| Thread size | M10 |
| Unit Count | 1.0 count |

## Product Details

- **Exterior finish:** Zinc
- **Head style:** Hex
- **Item dimensions L x W x H:** 30 x 1 x 1.7 centimetres
- **Material:** Zinc
- **Thread size:** M10

## Images

![M10 x 300mm Coach Screws, Heavy Duty, Hex Head, Zinc Plated, Pack of 6 - Image 1](https://m.media-amazon.com/images/I/81cmhnv55cL.jpg)
![M10 x 300mm Coach Screws, Heavy Duty, Hex Head, Zinc Plated, Pack of 6 - Image 2](https://m.media-amazon.com/images/I/61koqmKEzeL.jpg)
![M10 x 300mm Coach Screws, Heavy Duty, Hex Head, Zinc Plated, Pack of 6 - Image 3](https://m.media-amazon.com/images/I/81vEacJAfbL.jpg)
![M10 x 300mm Coach Screws, Heavy Duty, Hex Head, Zinc Plated, Pack of 6 - Image 4](https://m.media-amazon.com/images/I/91aIE9kzFqL.jpg)
![M10 x 300mm Coach Screws, Heavy Duty, Hex Head, Zinc Plated, Pack of 6 - Image 5](https://m.media-amazon.com/images/I/71edASMg3xL.jpg)

## Available Options

This product comes in different **Item Package Quantity** options.

## Frequently Bought Together

- LLB 300mm Screws M10 Coach Screws Wood Hex Head Width 17mm Pack of 6 Zinc Plated Sleeper Concrete Screw Hexagon Lag Half Thread Bolts Silver Long 12 inch x 0.4 inch (10mm x 300mm)
- M10 Washers, M10 x 25mm Penny Washers, A2 304 Stainless Steel Washers, Flat Repair Washer, Large Metal Washers, Plain Round Chrome Washers for Screws & Bolts(Pack of 20)

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**Shop now:** [https://www.desertcart.jp/products/550861804-m10-x-300mm-coach-screws-heavy-duty-hex-head-zinc](https://www.desertcart.jp/products/550861804-m10-x-300mm-coach-screws-heavy-duty-hex-head-zinc)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-07*