---
product_id: 550861804
title: "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)"
brand: "llb"
price: "€ 32.57"
currency: EUR
in_stock: false
reviews_count: 9
category: "Llb"
url: https://www.desertcart.gr/products/550861804-llb-300mm-screws-m10-coach-screws-wood-hex-head-width
store_origin: GR
region: Greece
---

# 300mm length for deep, secure fastening M10 hex head for superior torque grip Zinc plated for corrosion resistance 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)

**Brand:** llb
**Price:** € 32.57
**Availability:** ❌ Out of Stock

## Summary

> 🔩 Screw it right, screw it tight — the pro’s choice for lasting strength!

## Quick Answers

- **What is this?** 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) by llb
- **How much does it cost?** € 32.57 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/550861804-llb-300mm-screws-m10-coach-screws-wood-hex-head-width)

## 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

- • **Hex Head Power:** 17mm hex head design delivers maximum torque for effortless installation and reliable fastening.
- • **Value Pack of 6:** Six premium coach screws per pack provide excellent value for multiple projects or professional use.
- • **Durable Zinc Plating:** Corrosion-resistant zinc plating guarantees long-lasting performance even in outdoor or harsh environments.
- • **Half Threaded for Grip:** Half-thread design optimizes grip strength while allowing smooth insertion into wood and sleepers.
- • **Precision Length & Diameter:** 12-inch length with 10mm diameter ensures robust hold in heavy-duty wood and concrete applications.

## Overview

The LLB 300mm M10 Coach Screws are zinc-plated, half-threaded lag bolts with a 17mm hex head, designed for heavy-duty wood and concrete fastening. Each pack contains six durable screws measuring 12 inches long and 10mm in diameter, offering corrosion resistance and superior torque grip for professional-grade construction and DIY projects.

## Description

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) : desertcart.co.uk: DIY & Tools

Review: Quality product - I bought these to screw down through an old railway sleeper as I was standing. My drive quality was good. Very strong. Great value for money and easy to use
Review: Product as described and value for money - Perfect for what was wanted. Was functional and enabled the chunk of wood to be removed as described. Good quality and value for money.

## 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 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 43,053 in DIY & Tools ( See Top 100 in DIY & Tools ) 22 in Lag Bolts |
| Colour | Silver |
| Customer Reviews | 4.5 4.5 out of 5 stars (98) |
| Cutting Diameter | 4 Millimetres |
| Date First Available | 4 Aug. 2023 |
| Finish | Zinc Plated |
| Head Style | Hex |
| Item Package Quantity | 6 |
| Item Weight | 830 g |
| Item diameter | 4 Millimetres |
| Manufacturer | LLB |
| Manufacturer reference | WS.MAR.300 |
| Material | Zinc |
| Number of Pieces | 6 |
| Part number | WS.MAR.300 |
| Shape | Screw |
| Size | 4mm x 300mm / 0.4" x 12" |

## 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

![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) - Image 1](https://m.media-amazon.com/images/I/81cmhnv55cL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality product
*by P***S on 4 January 2026*

I bought these to screw down through an old railway sleeper as I was standing. My drive quality was good. Very strong. Great value for money and easy to use

### ⭐⭐⭐⭐⭐ Product as described and value for money
*by S***N on 19 July 2025*

Perfect for what was wanted. Was functional and enabled the chunk of wood to be removed as described. Good quality and value for money.

### ⭐⭐⭐⭐ Constitution heavy duty screws
*by R***R on 29 March 2025*

They are ok bend under pressure

## 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.gr/products/550861804-llb-300mm-screws-m10-coach-screws-wood-hex-head-width](https://www.desertcart.gr/products/550861804-llb-300mm-screws-m10-coach-screws-wood-hex-head-width)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-04-23*