---
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: "₱2738"
currency: PHP
in_stock: true
reviews_count: 13
category: "Nt Cutter"
url: https://www.desertcart.ph/products/9801291-18mm-heavy-duty-ex-tra-sharp-black-snap-off-blades
store_origin: PH
region: Philippines
---

# 58° ultra-sharp cutting edge 50 blades per pack, ready-to-go 18mm heavy-duty carbon steel 18mm Heavy-Duty Ex tra-Sharp Black Snap-Off Blades, 50-Blade/Pack, 1 Pack (BL-51P), 58 degree

**Brand:** nt cutter
**Price:** ₱2738
**Availability:** ✅ In Stock

## Summary

> 🗡️ Cut sharper, work smarter — stay ahead with every slice!

## 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?** ₱2738 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/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

- • **Bulk Pack Efficiency:** 50 snap-off blades in a protective case—never run out mid-project.
- • **Pro-Grade Reliability:** Trusted by industry pros for daily heavy-duty use without dulling.
- • **Ultra-Sharp 58° Edge:** Delivers razor-sharp cuts for professional-grade accuracy every time.
- • **Versatile Cutting Power:** Effortlessly slices through cardboard, leather, linoleum, carpet, and more.
- • **Precision-Crafted Carbon Steel:** Engineered in Japan for unmatched durability and edge retention.

## Overview

These 18mm black snap-off blades from NT Cutter are precision-engineered from high-quality carbon tool steel in Japan, featuring an ultra-sharp 58° edge designed for heavy-duty professional use. Each pack contains 50 durable blades housed in a protective case, ideal for cutting a wide range of materials including cardboard, leather, and linoleum. Renowned for exceptional sharpness and long-lasting edge retention, these blades are a must-have for professionals demanding precision and reliability.

## 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: 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.
Review: Super sharp blades - Super sharp and sturdy blades for the NT Cutter! Great performance with these for sure!

## 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 |
|---------------|-------|
| Asin | B007TFC2BO |
| Best Sellers Rank | #62,994 in Arts, Crafts & Sewing (See Top 100 in Arts, Crafts & Sewing) #122 in Art Blades |
| Brand | NT Cutter |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (191) 4.6 out of 5 stars |
| Date First Available | September 1, 2012 |
| Is Discontinued By Manufacturer | No |
| Item Model Number | BL-51P |
| Item Weight | 11.5 ounces |
| Manufacturer | NT Incorporated |
| Manufacturer Part Number | BL-51P |
| Material Type | high quality carbon tool steel |
| Number Of Items | 1 |
| Product Dimensions | 3.94 x 0.71 x 0.2 inches |
| Size | 58 degree |

## 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)
![18mm Heavy-Duty Ex tra-Sharp Black Snap-Off Blades, 50-Blade/Pack, 1 Pack (BL-51P), 58 degree - Image 2](https://m.media-amazon.com/images/I/61SxxPjAFnL.jpg)
![18mm Heavy-Duty Ex tra-Sharp Black Snap-Off Blades, 50-Blade/Pack, 1 Pack (BL-51P), 58 degree - Image 3](https://m.media-amazon.com/images/I/51Bxyfo5FoL.jpg)
![18mm Heavy-Duty Ex tra-Sharp Black Snap-Off Blades, 50-Blade/Pack, 1 Pack (BL-51P), 58 degree - Image 4](https://m.media-amazon.com/images/I/51-rZwnKv2L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ Super sharp blades
*by W***N on May 31, 2024*

Super sharp and sturdy blades for the NT Cutter! Great performance with these for sure!

### ⭐⭐⭐⭐ 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.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

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

---

*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-06-16*