---
product_id: 9801291
title: "18mm Heavy-Duty Ex tra-Sharp Black Snap-Off Blades, 50-Blade/Pack, 1 Pack (BL-51P), 58 degree"
brand: "nt cutter"
price: "£19.38"
currency: GBP
in_stock: true
reviews_count: 13
category: "Nt Cutter"
url: https://www.desertcart.co.uk/products/9801291-18mm-heavy-duty-ex-tra-sharp-black-snap-off-blades
store_origin: GB
region: United Kingdom
---

# 50 blades per pack High-quality carbon tool steel 58° ultra-sharp edge 18mm Heavy-Duty Ex tra-Sharp Black Snap-Off Blades, 50-Blade/Pack, 1 Pack (BL-51P), 58 degree

**Brand:** nt cutter
**Price:** £19.38
**Availability:** ✅ In Stock

## Summary

> 🗡️ Slice through your projects with precision and power!

## Quick Answers

- **What is this?** 18mm Heavy-Duty Ex tra-Sharp Black Snap-Off Blades, 50-Blade/Pack, 1 Pack (BL-51P), 58 degree by nt cutter
- **How much does it cost?** £19.38 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/9801291-18mm-heavy-duty-ex-tra-sharp-black-snap-off-blades)

## Best For

- nt cutter enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Durable carbon steel ensures long-lasting edge retention
- • **Bulk Pack Convenience:** 50 blades in a protective case—never run out mid-project
- • **Heavy-Duty Versatility:** Cuts through cardboard, leather, linoleum & more with ease
- • **Made in Japan Excellence:** Expertly manufactured for professional-grade reliability
- • **Precision-Crafted Sharpness:** 58° cutting angle for razor-edge performance

## Overview

NT Cutter’s 18mm black snap-off blades deliver professional-grade sharpness with a 58° edge crafted from premium carbon tool steel. Designed for heavy-duty cutting across diverse materials like cardboard, leather, and linoleum, this 50-blade pack ensures you stay equipped for any project. Made in Japan, these blades combine durability and precision for the discerning professional.

## Description

NT professional black snap-off blades with extra sharpness for heavy-duty utility knives. 50 specialty blades are packed in a protective plastic container with a convenient hanging hole. These professional blades are made of high quality carbon tool steel and produced through multiple stages of precise process to obtain the ultimate sharpness and optimum edge-retention. With even more vigorous steps taken during the finishing process, the cutting edge of these black blades have even finer sharpness. Recommended for professional use only due to its fine delicate edge. 50 carbon steel blades per pack. Good for DIY projects, construction such as drywall, roofing, flooring, Industrial application, warehouses, factories, etc. Made in Japan.

Review: High quality, great price - Wow, these are sharp, Especially reallllly sharp for a bigger blade. Price is awesome for the number of blades you get.
Review: Awesome sharp blades, that last! - I use these blades on a daily basis in my occupation and they do not dull easy. They are a lot stronger then most 18mm blades I have purchased and I will continue to purchase them because of this. Thanks for a great product.

## Features

- Heavy duty snap-off blades
- 18mm W x 100mm L x 0.50mm T
- Black
- 58 degree
- Made of high quality carbon tool steel
- Cutting material: Cardboard, rubber, leather, corkboard, acetates, linoleum, carpet, thin veneer,form board, etc.
- 50ea per pack
- Made in Japan

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | high quality carbon tool steel |
| Brand | NT Cutter |
| Color | Black |
| Item Length | 100 Millimeters |
| Handle Material | Plastic |
| Blade Material | high quality carbon tool steel |
| Item Weight | 11.52 ounces |
| Style | Black 50-pack |
| Manufacturer | NT Incorporated |
| Global Trade Identification Number | 04904011016417 |
| Item Weight | 11.5 ounces |
| Item model number | BL-51P |
| Is Discontinued By Manufacturer | No |
| Material Type | high quality carbon tool steel |
| Number of Items | 1 |
| Size | 58 degree |
| Manufacturer Part Number | BL-51P |

## Product Details

- **Blade Material:** high quality carbon tool steel
- **Brand:** NT Cutter
- **Color:** Black
- **Global Trade Identification Number:** 04904011016417
- **Handle Material:** Plastic
- **Item Length:** 100 Millimeters
- **Item Weight:** 0.72 Pounds
- **Manufacturer:** NT Incorporated
- **Material:** high quality carbon tool steel
- **Style:** Black 50-pack

## Images

![18mm Heavy-Duty Ex tra-Sharp Black Snap-Off Blades, 50-Blade/Pack, 1 Pack (BL-51P), 58 degree - Image 1](https://m.media-amazon.com/images/I/51Lgr5qhV8L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ High quality, great price
*by C***. on June 5, 2021*

Wow, these are sharp, Especially reallllly sharp for a bigger blade. Price is awesome for the number of blades you get.

### ⭐⭐⭐⭐⭐ Awesome sharp blades, that last!
*by M***Z on August 20, 2019*

I use these blades on a daily basis in my occupation and they do not dull easy. They are a lot stronger then most 18mm blades I have purchased and I will continue to purchase them because of this. Thanks for a great product.

### ⭐⭐⭐⭐ bulk quantity without stupid prices
*by T***E on August 4, 2018*

These blades are excellent. Very sharp, very long-lasting edge. Just what I was looking for. I however, did hit them with a few drops of 3 in 1 oil to keep them from rusting until I use them all, which is about a year.

## Frequently Bought Together

- NT Cutter 18mm Heavy-Duty Ex tra-Sharp Black Snap-Off Blades, 50-Blade/Pack, 1 Pack (BL-51P), 58 degree
- NT Cutter 9mm Ex tra-Sharp Black Snap-Off Blades, 50-Blade/Pack, 1 Pack (BA-51P)
- NT Cutter Heavy Duty Aluminum Die-Cast Grip Multi-Blade Cartridge Knife, 1 Knife (L-2000RP), Red.

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**Shop now:** [https://www.desertcart.co.uk/products/9801291-18mm-heavy-duty-ex-tra-sharp-black-snap-off-blades](https://www.desertcart.co.uk/products/9801291-18mm-heavy-duty-ex-tra-sharp-black-snap-off-blades)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-28*